Generate three thumbnails in five minutes.

Why this works

Thumbnail prompts improve when they lock composition, subject, contrast, and brand constraints before style words.

Three controlled variations beat ten random generations.

Run it

1. Choose the promise

   Write the one sentence the thumbnail needs to communicate.
2. 2
   Lock composition

   Specify subject, focal point, background, contrast, and text-safe zones.
3. 3
   Generate three variants

   Only change one variable per variant.
4. 4
   Pick for legibility

   Judge at small size before polishing.

The prompt

Generate three thumbnail concepts for this idea.
Use the same subject and composition. Vary only the visual metaphor.
Include: focal point, background, contrast plan, text-safe zone, and one-line image prompt for each.

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