How do I replace a video thumbnail in Canvas Studio?
You can replace Canvas Studio video thumbnails.
- Studio supports custom thumbnails for videos uploaded directly to Studio.
- Dimensions for thumbnail images should be approximately 1000 pixels wide x 512 pixels high. For best results, please retain the aspect ratio for the image to scale properly
In your Studio account, view your My Library page or Course Collection.
Locate the video. Then click the Options icon  and click the Replace Thumbnail link .
Locate the file on your computer  and click the Choose or Open button .
View the new thumbnail.