Poster Design Improvement Prompt (Meta-Prompt)

Let's make Nano Banana design a poster!

A meta-prompt or instruction set used to refine and improve a poster design generated by an AI (Nano Banana). The goal is to elevate the design quality from a basic PPT level to something comparable to a one-day design class output. The actual prompt text is referenced externally, but the context describes a prompt engineering process.

How to use this prompt

Copy the prompt above and paste it into an AI image generator such as Google Gemini (Nano Banana) or a similar tool. Replace any bracketed placeholders with your own details, then generate and refine the result.

Prompt collection credit: YouMind Awesome Nano Banana Pro Prompts (CC BY 4.0). Credit to the original prompt creators. To request removal of a prompt or image, please contact us.