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Fireflies in a Glass Jar

A jar of glowing fireflies at night.

Platform

Aspect ratio

Prompt for IG Square (1080 × 1080)

Tested on Google Flow

A small glass jar full of glowing yellow fireflies resting on moss in a dark forest at night, tiny lights floating around it, placed low in the frame with space above. No text. Compose as square 1:1 for IG Square, with the main subject fully inside the frame and safe margin on every side.

Paste into Google Flow and pick the closest ratio in its settings. Finish exact sizes in the crop tool.

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Open in Crop Tool

Live Crop Preview

How this image crops in each format. If a crop loses the subject, generate that ratio from the prompt above.

Crop this picture exactly, at full size, in the Crop Tool

About this prompt

We made the picture above with this prompt on Google Flow. It has a lock screen style, soft glow and a magical, quiet mood, and it sits in the Lock Screens collection.

The frame is 9:16 (tall), and our original measures 768 × 1376 pixels. That shape is an exact fit for Instagram Reels and phone wallpapers; Pinterest pins take it with a small crop. It was made with lock screen in mind.

Style: Lock screen
Lighting: Soft glow
Mood: Magical, quiet
Use case: Lock screen

Made for:Phone Wallpapers

Make this prompt your own

Subject: The opening words, “A small glass jar full of glowing yellow fireflies resting on moss in a dark forest at night”, are the subject. Swap in your own subject and keep the rest to get a new picture in the same look.
Light: The words “at night” set the light. Swap them for “afternoon sun” or “bright light” to change the time of day and the feel.
Rules: It ends with “No text”, so the tool adds no letters or signs. Leave that in and add your own words later in any editor.

Same theme, another look

In other light: Cactus on a Pink Wall (soft light), Sunflower Against Blue Sky (bright daylight) and Bamboo Shadow Wall (soft sunlight).

In another style: Moon Over Peaks (night photo), Pink Paper Crane (minimal photo) and Planet and Galaxy (space art).

How to use this prompt

1Pick your platform or ratio at the top. The prompt rewrites itself for that size.
2Press Copy Prompt, open Google Flow and paste it. For this picture’s shape, pick 9:16 in its settings before you send.
3Make it yours: change the colours, place or product in the prompt’s words before you send it.
4Generate two or three times and keep the best. For an exact Reels size, finish it in the Crop Tool.

Questions

Is this prompt free?

Yes. Copying the prompt is free for everyone. Signed-in visitors can also download the full-size image without a watermark, 10 images a day.

Will I get exactly this image?

Close, not identical. AI tools make a new picture every time, so the style, light and mood will match while faces and small details change. Run it a few times and pick the one you like.

Does it work outside Google Flow?

It was tested on Google Flow. It also works in ChatGPT and most other image tools, though results vary from tool to tool.

Which platforms is this size good for?

It was made in 9:16 (vertical), which suits Reels, Pinterest, Mobile Wallpaper. For any other size, choose it with the buttons at the top; the prompt and the crop preview change with it.

Can I use the image for my business?

What you make belongs under the rules of the AI tool you used, so check its terms first. Read our disclaimer before using images for ads or products.