The Game-Changing AI Tool 99% of Substack Writers Are Missing
6 Use Cases for Substack Writers
If you're a content creator or Substack writer, Google's new "Nano Banana" (officially Gemini 2.5 Flash Image) is about to revolutionize how you create.
This isn't just another AI tool, it's the top-rated image editing model in the world that dropped with zero fanfare but maximum impact.
While everyone obsesses over ChatGPT updates, this model quietly appeared under the pseudonym "nano-banana" and started dominating.
I can't believe 99% of creators are sleeping on this goldmine that's literally free and sitting right in Google Gemini.
What Makes Nano Banana Different
This state-of-the-art image generation and editing model enables you to blend multiple images into a single image, maintain character consistency for rich storytelling.
It's not just text-to-image generation; the new tool lets people create a photo from text or based on an existing image.
Think of it as having a professional designer who never sleeps, never charges, and understands exactly what you need.
Use Case 1: Create Stunning Publication Cover Photos
Step 1: Draft your detailed prompt including color tone, style (cinematic, minimal, anime), aspect ratio, and mood
I use a Prompt Generator that I developed specifically for Substack Writers.
This Prompt Generator will ask you and guide you to create your Master prompt and than ask you about your image requirement and take care of all the element of prompt like color, aspect ratio, type of image etc.
Here is the link, in case you want to get your hands on it:
Step 2: Add your publication's brand elements and theme to align with your content
Step 3: Navigate to Google Gemini and paste your crafted prompt
Step 4: Generate multiple variations until you find the perfect cover that screams "click me"
Use Case 2: Generate Eye-Catching Note Covers
Step 1: Use your master prompt template from the previous use case
Step 2: Modify the prompt to match your note's specific topic and tone
Step 3: Paste your note content context into Gemini alongside the image prompt
Step 4: Generate a cover that makes your note stand out in crowded feeds
Use Case 3: Create Location-Based POV Images
Step 1: Screenshot Google Maps showing your desired location
Step 2: Add a star marker where you want the viewpoint perspective
Step 3: Upload the screenshot to Gemini with a prompt like "Generate a realistic photo from this location's perspective"
Step 4: Perfect for travel newsletters without actually visiting every destination
Use Case 4: Design Product Mockups That Convert
Step 1: Describe your digital product in detail (ebook, course, template)
Step 2: Reference successful brand styles (Apple, Notion, Stripe) for inspiration
Step 3: Ask Gemini to create mockups mimicking those premium aesthetics
Step 4: Generate multiple angles and contexts for your sales pages
Use Case 5: Create Viral-Ready Memes
Step 1: Identify trending topics in your niche
Step 2: Prompt Gemini to create relevant memes using current formats
Step 3: Add your unique spin or niche-specific humor
Step 4: Use these to break up serious content and boost engagement
Use Case 6: Generate Tutorial Graphics
Step 1: Break down your tutorial into visual steps
Step 2: Ask Gemini to create clear, step-by-step illustration graphics
Step 3: Maintain consistent style across all tutorial images
Step 4: Use these to make complex topics instantly digestible
You can now change outfits, blend photos, and apply styles from one image to another, making this tool incredibly versatile for any content creator.
The best part?
It's completely free and integrated directly into Gemini.
Stop spending hours on Canva when you could be creating professional-grade visuals in minutes.
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I vote yes just for this name 🤣 Kidding, I’ve tried it, it’s insane
Definitely some interesting use cases. And the best part of it is the speed. Being able to create images faster than before just takes my process up to another level.