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Smart Donation Image Generation Guide

What is this?#

AI generates images in real time from prompts your viewers type in chat and shows them on your stream widget.

Create Imagen Settings#

On the Imagen page, entering a name automatically creates new settings and a URL. Register the generated URL in the OBS browser source.

Add Image Generation Rules#

Click the ’+ Add’ button to add image generation rules. Each rule has the following settings:

  • Platform — All or specific platforms (YouTube, Twitch, SOOP, Chzzk, Kick, Douyu, etc.)
  • Donation amount — The donation-count range (min–max) that triggers generation
  • Image prompt — Text describing the image to generate
  • Reference image — (Optional) Upload or attach via URL an image for reference

Image Generation Settings#

  • Display duration — Time the generated image is shown on screen (1-999 seconds)
  • Include donor nickname — When checked, the donor’s nickname is automatically added to the image prompt
  • Alert voice — Choose from None / Default alert voice (free) / TTS alert voice (uses credits)

OBS Setup#

  1. Copy the URL using the ‘Copy URL’ button.
  2. In OBS, select Add Source → Browser.
  3. Paste the copied URL in the URL field.
  4. Adjust width/height to fit your stream layout. (Recommended: 800×600)

How It Works#

When a donation within the configured count range is detected during a stream, an image is generated from the prompt and shown on the OBS widget. The image disappears automatically after the set duration.

Credit Information#

  • Credits are automatically deducted for image generation (the amount varies by model and size).
  • Images will not be generated if credits are insufficient.
  • You can recharge credits on the Account page.

Creative AI Image Ideas#

  • Gacha by donation count: set a different prompt per amount — 5 = ‘a cat knight’, 10 = ‘a fire-breathing dragon’ — so viewers donate just to see which image pops up.
  • Make the donor the star: turn on ‘include donor nickname’ with a prompt like ‘the donor as a Pixar superhero’, so each supporter becomes the hero of their own image.
  • Mascot makeover series: upload your channel character as a reference image and turn the same mascot into a knight, an astronaut, or a zombie — a running visual gag.

FAQ#

How long does image generation take?

Usually takes 10-30 seconds.

How many rules can I set up?

You can set up to 100 rules.

What if multiple donations come in at once?

They are automatically queued and processed in order.

When changes are not reflected in the URL#

Double-click the source with the URL in OBS, check the ‘Refresh browser when scene becomes active’ checkbox, and click the ‘Refresh cache of current page’ button.

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Smart Donation Image Generation Guide
https://blog.donastar.tv/en/posts/imagen-guide/
Author
Donastar
Published at
2026-07-12
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