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Fitness Before/After Ad (Split-Screen Light Contrast)
The cold-versus-warm lighting contrast tells the transformation story before anyone reads a word, and the reserved top and bottom strips mean your headline and CTA drop in cleanly without fighting the photo.
Works withGemini Image (Nano Banana)Midjourney
prompt
Create a split-screen before/after fitness ad for {gym_name}. Left half: a {subject_description} in loose grey workout clothes, slouched posture, flat cool-toned lighting against a plain concrete wall. Right half: the same person standing tall in fitted athletic wear, confident expression, warm dramatic side lighting — visually celebrating {transformation_goal}. Divide the frame with a clean vertical seam and a bold {accent_color} diagonal slash element. Photorealistic, 85mm portrait-lens look, vertical 4:5 ratio for feed ads. Keep the top 15% clean for a headline overlay and leave a slim bottom strip empty for a CTA button. No text baked into the image.Variables
| Variable | Description | Example |
|---|---|---|
| {gym_name} | Name of the gym or fitness brand | Iron Path Fitness |
| {subject_description} | Who the subject is (age group / identity) | 30-something office worker |
| {transformation_goal} | The transformation result to celebrate | 12 kg weight loss and visible muscle tone |
| {accent_color} | Brand accent color for the graphic slash | electric orange |
Use case
A boutique gym owner or personal trainer launching an 8-week transformation challenge campaign on Instagram and Facebook.
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