> For the complete documentation index, see [llms.txt](https://docs.mixeffect.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mixeffect.app/automate/osc/companion/adding-thumbnails.md).

# Adding Thumbnails

Use AirDrop, Messages, Email, or another sharing option to transfer your thumbnails to your Companion computer. When editing a button, click Browse underneath the button icon. Select your thumbnail, and you will have an accurate representation of your SuperSource preset in Companion and on your Stream Deck!

**Shortcut to Resize Icon from 72x41 to 72x58**

Some versions of Companion do not allow uploading of icons that are not 72x58 in size. If this happens to you, use this shortcut to resize your 72x41 icons to 72x58:

* [Companion 72x58 Shortcut](https://www.icloud.com/shortcuts/d84b3456c809437398f62cd9ac414e16)


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# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.mixeffect.app/automate/osc/companion/adding-thumbnails.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.