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AI Image Prompt Template

Nano Banana Pro Prompt: 9:16 Wallpaper Generation

A template prompt for Nano Banana Pro to generate high-quality 9:16 wallpapers suitable for mobile devices, emphasizing natural negative space, subtle gradients, and simplicity. - YouMind

Recommended models: gemini-3.1-flash-image-preview

About this AI Image prompt

A template prompt for Nano Banana Pro to generate high-quality 9:16 wallpapers suitable for mobile devices, emphasizing natural negative space, subtle gradients, and simplicity. - YouMind

Prompt

Make a beautiful 9:16 wallpaper. Leave natural negative space near the top and bottom. Give the wallpaper a subtle top to bottom gradient. No blur effects or cropping. Keep the scene simple.
({argument name="image concept" default="[生成したい画像のイメージを入力]"})

How to use this AI Image prompt template

  1. 1Copy the prompt — grab this template’s prompt and negative prompt.
  2. 2Pick a model — choose a recommended AI model for the best match.
  3. 3Generate — open the studio with one click and create your result.