AI Image Generation
How to Use This eBook
Welcome to Day 4. So far in this series you have learned to speak to AI (Day 1), produce written content with it (Day 2), and conduct research with it (Day 3). Today you unlock a skill that felt like science fiction just three years ago: creating professional-quality images, artwork, and visual designs using nothing but written descriptions.
You do not need any design experience, artistic talent, or expensive software. If you can describe what you want, you can create it.
Chapter 1: The Visual Revolution
1.1 What Was Not Possible Three Years Ago
In 2022, if you needed a custom illustration, a branded social media graphic, or a concept image for a business pitch, you had two options: hire a professional designer (expensive, slow) or use a stock photo library (generic, unoriginal). Neither option was fast, affordable, or truly customised to your exact vision.
By 2026, AI image generation has fundamentally changed that equation. In under 60 seconds, using nothing but a written description, anyone can now produce:
- A professional product photo or mock-up
- A logo concept or brand identity sketch
- A custom illustration for a presentation or report
- A social media graphic with text, colours, and your brand style
- A concept rendering for architecture, interior design, or fashion
- A realistic portrait, character design, or event poster
1.2 Who Is Using AI Image Generation
AI image generation is not just for artists and designers. In 2026, the most impactful users are professionals who had no design background at all:
- Marketing and communications professionals producing social media content without a designer
- Business owners creating product visuals, pitch deck images, and brand materials
- Teachers and trainers generating custom visual aids and educational illustrations
- Architects and product designers producing rapid concept visualisations
- Writers and bloggers creating custom hero images and cover art for their content
1.3 What You Will Produce in This Session
By the end of Day 4, you will have personally created:
- A basic image using a simple prompt — and seen its limitations
- A professional-quality image using the full S.V.C.L. method
- An image that includes text — one of the most useful 2026 capabilities
- A modified version of an existing image using in-painting
- A complete visual asset for your Day 4 assignment — something genuinely useful
Chapter 2: Your Image Generation Toolkit
2.1 The Primary Tools
There are dozens of AI image tools available in 2026. For beginners, the tools below stand out as the most accessible, most capable, and most suitable for professional use.
| Tool | Best For | Difficulty | Key Strength |
|---|---|---|---|
| Google Gemini (Nano Banana / Nano Banana Pro) | Beginners; quick conversational iteration | ⭐ Easiest | Understands conversational follow-up: “Make it warmer,” “Remove the background” — and renders accurate, legible text in multiple languages |
| ChatGPT Images (built on GPT‑4o, OpenAI) | Complex instructions; text in images | ⭐⭐ Moderate | Best-in-class for following detailed written prompts and adding readable text to images, refined conversationally |
| Midjourney (V8.1) | Artistic quality; cinematic visuals | ⭐⭐⭐ Advanced | Produces the highest-quality, most visually stunning output — the “gold standard” for art |
| Adobe Firefly | Brand-safe commercial use | ⭐⭐ Moderate | Trained exclusively on licensed images — safe for commercial projects without IP concerns |
| Stable Diffusion | Full customisation and control | ⭐⭐⭐ Technical | Open-source; free to run locally; most customisable but requires more setup |
2.2 Getting Started in Under 2 Minutes
Google Gemini
- Go to gemini.google.com and sign in with your Google account.
- Type your image description in the chat bar.
- Select “Create images” from the tools menu, or simply describe an image — Gemini will detect the intent.
- When you see the result, continue the conversation to refine it.
ChatGPT Images (via ChatGPT)
- Go to chatgpt.com and sign in.
- In the chat bar, describe the image you want — image generation is built directly into the conversation, no separate mode needed.
- Type your detailed prompt and press enter.
- Use natural follow-up messages to request specific changes to the result.
Chapter 3: The S.V.C.L. Prompting Formula
3.1 Why Simple Prompts Produce Disappointing Results
If you type “a coffee shop” into any AI image generator, you will get something — but it will be generic, flat, and unlikely to match your actual vision. The AI fills in every missing detail with its own default assumptions.
The S.V.C.L. Formula solves this. It gives the AI all four dimensions of visual information it needs to produce a result that matches your intent precisely. Think of it as the CO-STAR method (from Day 1) — but for images.
3.2 The Four Elements of S.V.C.L.
| Element | What to Specify | Example |
|---|---|---|
| S — Subject | What is the main focus of your image? | “A young Nigerian entrepreneur sitting at a modern desk” |
| V — Visual Style | What artistic or photographic style? | “Cinematic photography” or “Minimalist flat design” |
| C — Composition | Where is the virtual camera positioned? | “Close-up portrait” or “Wide-angle aerial view” |
| L — Lighting | What is the mood and light source? | “Warm golden-hour sunlight” or “Cool neon city glow” |
3.3 S.V.C.L. in Practice — A Full Example
The Basic Version (What Most People Write)
Result: A generic, flat image with no mood, no atmosphere, no specific identity.
The S.V.C.L. Version (Professional Result)
The second prompt produces a cinematically compelling, specific, and authentic image — not a generic stock photo look.
3.4 Visual Style Reference Guide
“Visual Style” is often the most powerful element of your prompt. Here are the most useful style descriptors, with the type of images they produce:
| Style Descriptor | What It Produces | Best Used For |
|---|---|---|
| Cinematic photography | Film-quality, dramatic lighting, depth of field | Brand visuals, presentations, hero images |
| Flat design illustration | Clean, minimal, 2D vector-like graphics | App icons, infographics, digital posters |
| Watercolour painting | Soft, organic, handcrafted artistic feel | Greeting cards, book illustrations, warm brand identity |
| Cyberpunk digital art | Neon, futuristic, dark urban atmosphere | Tech presentations, gaming, edgy social content |
| 1970s film photography | Warm, grainy, nostalgic, analog aesthetic | Vintage brand identity, lifestyle content |
| Minimalist line art | Simple, elegant, monochrome outline drawing | Logos, editorial illustration, subtle decoration |
| 3D render / CGI | Hyper-realistic or stylised 3D object or scene | Product visualisation, architectural concept |
| Vintage travel poster | Bold flat colours, retro typography and design | Event posters, marketing, playful brand content |
Chapter 4: Practice Drills
4.1 Drill 1 — The Basic Prompt (See Its Limits)
Start here to appreciate the difference that detailed prompting makes.
Generate this image in your tool. Save or screenshot it. You will compare it to Drill 2’s output.
4.2 Drill 2 — The S.V.C.L. Upgrade
Now generate the same scene using the full formula. Notice the difference in quality, mood, and specificity.
4.3 Drill 3 — Adding Text to Images (2026 Capability)
One of the most significant advances in AI image generation in recent years is reliable, readable text inside images. ChatGPT Images handles this best. Use this for posters, social media graphics, certificates, and announcement visuals.
After generating your poster, try these text iteration prompts:
- “Change the font style to a more modern, bold sans-serif typeface.”
- “Add a subtitle at the bottom: ‘Book your journey today.’”
- “Change the colour palette to deep blue and silver — make it feel more futuristic.”
4.4 Drill 4 — Conversational Iteration (Gemini)
This drill teaches the most beginner-friendly technique: building an image through conversation, just like you would with a human designer.
Chapter 5: Advanced Techniques
5.1 In-Painting — The AI Eraser and Editor
In-painting is one of the most powerful advanced features in AI image generation. It allows you to select a specific area of an already-generated image and change only that part, leaving the rest intact. Think of it as a targeted edit tool.
Available in: ChatGPT Images, Adobe Firefly, and Google Gemini (via the edit feature).
How In-Painting Works
- Generate your initial image using a prompt.
- Click the “Edit” or “In-paint” button in the tool.
- Use the brush or selection tool to highlight the specific area you want to change.
- Type a description of what you want to replace it with.
- The AI regenerates only that region, blending it seamlessly with the rest of the image.
5.2 Aspect Ratios — Getting the Right Dimensions
Different platforms require different image shapes. Always specify the aspect ratio in your prompt for images you intend to use in a specific context.
| Platform/Use | Aspect Ratio | Prompt Instruction |
|---|---|---|
| Presentation slide (widescreen) | 16:9 | “…in a 16:9 widescreen landscape format.” |
| Instagram post (square) | 1:1 | “…in a square 1:1 aspect ratio.” |
| Phone wallpaper / Stories | 9:16 | “…in a tall 9:16 portrait format for mobile screens.” |
| LinkedIn / Facebook banner | 4:1 | “…as a wide horizontal banner in 4:1 format.” |
| A4 document / Poster | A4 portrait | “…as an A4 portrait document layout.” |
| YouTube thumbnail | 16:9 (small) | Generate at 16:9 with bold text and high contrast for readability at small size |
5.3 Style Consistency — Making a Series of Images
When you need multiple images that all look like they belong together (for a website, a presentation, or a social media series), use these consistency techniques:
- Include a style signature in every prompt in the series: “same style as my previous prompt — minimalist flat design, navy and gold palette.”
- Use the same lighting descriptor throughout: “soft natural window light from the left” in every prompt.
- Name a specific photographer, artist, or film as your reference: “in the visual style of Stanley Kubrick” or “in the style of a modern Apple product launch photo.”
- In Midjourney, use the –sref (style reference) feature by attaching a URL of your reference image.
Chapter 6: Real-World Use Cases
6.1 Business and Professional Use Cases
Presentation Hero Images
Product Mock-ups
6.2 Marketing and Social Media
LinkedIn Post Visual
6.3 Personal and Creative Projects
Event Poster
Chapter 7: Pro Tips and Common Mistakes
7.1 Avoiding the “Plastic Skin” Problem
When AI generates images of people, they often look unnaturally perfect — flawless skin, glassy eyes, and rigid poses that feel artificial. This is the “plastic skin” effect. Add these descriptors to any portrait prompt:
- “Film grain, natural skin texture, realistic pores”
- “Candid, unposed, documentary-style photography”
- “Authentic expression, natural imperfections”
- “Shot on 35mm film” or “shot on a Sony A7 camera”
7.2 The “Negative Prompt” Technique
Many image tools allow you to specify what you do NOT want in the image. Adding negative guidance prevents common problems:
- If your image keeps including objects you didn’t want: “Do not include cars, people, or text in this image.”
- If the style looks off: “Do not make this look cartoonish, animated, or illustrated.”
- If the image looks cluttered: “Minimalist. No background clutter. Simple, clean composition only.”
7.3 The “Mood Board” Technique
Professional designers use mood boards to guide their creative direction. You can replicate this with AI by describing a combination of references:
7.4 Common Mistakes and How to Fix Them
| ❌ Common Mistake | ✅ The Fix |
|---|---|
| Prompt too vague — generic output | Add all four S.V.C.L. elements. Be specific about subject, setting, mood, and composition. |
| Wrong image shape for platform | Specify aspect ratio: “16:9 widescreen” or “square 1:1” or “portrait 9:16”. |
| People look artificial / plastic | Add “film grain, natural skin texture, candid, shot on film” to the prompt. |
| Text in image is unreadable or misspelled | Use ChatGPT Images or Gemini’s Nano Banana Pro specifically for text-in-image tasks. Place text in quotes inside the prompt. |
| Style is inconsistent across multiple images | Repeat your exact style descriptor in every prompt. Use “same visual style as previous”. |
| Image is too cluttered | Add “minimalist”, “clean background”, “simple composition, no clutter” to the prompt. |
Chapter 8: Ethics, Copyright, and Responsible Use
8.1 Copyright and Ownership
The legal landscape around AI-generated images is still evolving in 2026. Here is the current practical guidance:
- Images generated entirely by AI prompts are generally not protected by copyright in most jurisdictions — meaning you cannot prevent others from using them.
- If you add significant human creative input (curation, editing, combining elements), some legal systems may grant partial protection — but this varies by country.
- For commercial use, tools like Adobe Firefly are trained exclusively on licensed images, making them safer choices for brand assets than tools trained on scraped internet data.
- Always check the specific Terms of Service of whichever tool you use for commercial rights.
8.2 Style Mimicry and Living Artists
You can ask AI to generate images “in the style of” deceased artists like Van Gogh or Picasso without legal concern, as their works are in the public domain. However, generating images in the style of living artists is ethically controversial and increasingly legally challenged.
8.3 Deepfakes and Misinformation
Never generate realistic images of real, identifiable people — especially politicians, celebrities, or private individuals — in situations that did not occur. This constitutes a deepfake, which:
- Is illegal in many jurisdictions under AI legislation enacted since 2024
- Can cause serious reputational harm to real people
- Violates the Terms of Service of every major AI image platform
- Can expose you to significant legal liability, including defamation claims
8.4 Transparency and Disclosure
Good professional practice in 2026 includes disclosing when images are AI-generated, particularly in:
- Journalism and news content
- Medical or scientific publications
- Advertising and commercial claims
- Any context where the authenticity of an image is relevant to trust
Chapter 9: Workbook — In-Session Exercises
Complete these exercises during the live session with your AI image tool open.
Exercise 1: The S.V.C.L. Builder
Choose a scene relevant to your work or business. Build a complete S.V.C.L. prompt below before generating the image.
Exercise 2: Before vs After — The S.V.C.L. Comparison
Generate the same subject first with a basic prompt, then with the full S.V.C.L. method.
Exercise 3: Text-in-Image Challenge
Use ChatGPT Images (or Gemini’s Nano Banana Pro) to create an image that includes readable, stylised text. Document your experience.
Chapter 10: Day 4 Assignment
🎨 Your Visual Content Challenge
Create three AI-generated images that you could actually use in your professional life, social media, or business. Each image must be built using the S.V.C.L. method and refined using at least one follow-up instruction.
Image 1: Your “Dream Vision” Image
Think of a location, scene, or concept that matters to you: a dream office, a future product, a concept for your business, a vision of your city in 2050. Build a full S.V.C.L. prompt and generate it.
- Write your full S.V.C.L. prompt (all four elements).
- Generate the image.
- Apply the homework instruction: “Change the weather in this image to a rainy evening.”
- Note what changed and whether you prefer the original or the revised version.
Image 2: A Practical Work Asset
Create something you genuinely need: a social media post visual, a presentation hero image, a product mock-up, or an event poster. Specify the correct aspect ratio for the platform you intend to use it on.
- Identify the platform and required aspect ratio.
- Write your S.V.C.L. prompt and include the aspect ratio specification.
- Generate and refine using at least two follow-up instructions.
Image 3: Text in Image
Create a visual that includes text — a poster, a social media graphic, a certificate concept, or a branded banner. Use ChatGPT Images for best results with text rendering.
- Decide what text you want displayed in the image.
- Build your prompt with text in quotation marks: Include the text ‘[Your Text]’ in bold typography…
- Generate and verify the text is correct, readable, and visually appropriate.
Reflection Questions
Chapter 11: References & Further Learning
11.1 Core References
- Rombach, R. et al. (2022). High-Resolution Image Synthesis with Latent Diffusion Models. CVPR 2022. Available at: arxiv.org/abs/2112.10752 (foundational paper on stable diffusion)
- OpenAI (2024). DALL·E 3 System Card. Available at: openai.com/research/dall-e-3-system-card
- Adobe (2024). Adobe Firefly Ethics and Content Credentials. Available at: adobe.com/uk/sensei/generative-ai/firefly.html
- World Economic Forum (2024). AI Image Generation: Risks, Benefits, and Governance. Available at: weforum.org
- UK Intellectual Property Office (2023). Artificial Intelligence and Intellectual Property. Available at: gov.uk/government/collections/artificial-intelligence-and-ip
11.2 Tools to Explore
- Google Gemini Image Generation (Nano Banana / Nano Banana Pro) — gemini.google.com
- ChatGPT Images — chatgpt.com
- Midjourney (V8.1) — midjourney.com
- Adobe Firefly — firefly.adobe.com (recommended for commercial use)
- Canva AI — canva.com (AI image generation integrated into design templates)
- Image Creator from Microsoft Designer, formerly Bing Image Creator — designer.microsoft.com (free, ad-supported)
11.3 Learning AI Image Prompting Further
- PromptHero — prompthero.com (community of AI image prompts to learn from)
- Lexica.art — lexica.art (search engine for AI image prompts)
- r/StableDiffusion on Reddit — active community sharing advanced techniques
| Student Name: | Date: |
- Apply the S.V.C.L. formula to generate professional-quality images consistently
- Understand the ethical boundaries of AI image generation
- Create images suitable for business, social media, and presentations
- Use in-painting and image-to-image features for advanced editing
Keep this section open during the session for quick reference.
Complete at the end of the session or during the closing activity.
My Action Plan
| What I will build/complete: | |
| Target completion date: | |
| My accountability partner: | |
| What support I need: |
| Day | Skill | Completed | Confidence (1-5) |
|---|---|---|---|
| Day 2 | AI Content Writing | ☐ | ___/5 |
| Day 3 | AI Research & Summarisation | ☐ | ___/5 |
| Day 4 | AI Image Generation | ⬛ Today | ___/5 |
| Day 5 | AI Presentation Design | ☐ | ___/5 |
| Day 6 | AI Video Generation | ☐ | ___/5 |
| Day 7 | AI Audio & Voice Generation | ☐ | ___/5 |
| Day 8 | AI Chatbot Building | ☐ | ___/5 |
| Day 9 | AI Workflow Automation | ☐ | ___/5 |
| Day 10 | AI Resume & Career Optimization | ☐ | ___/5 |
