How do I add a thumbnail image to my shared resource?
When sharing a resource to Commons, you can upload your own thumbnail image or select an image from Unsplash. A thumbnail image is a visual representation of your resource and is used in the Commons resource repository. The minimum size of your thumbnail must be at least 147 pixels high and 262 pixels wide.
Unsplash provides images licensed under the Unsplash License.
Unsplash images in Commons must meet Unsplash's Photo Submission Guidelines.
- To enable Commons in your Canvas instance, please contact your Customer Success Manager.
- Commons is available in all Free for Teacher (FFT) accounts. Free for Teacher users are limited to finding, importing, and sharing public resources.
In the share page, enter resource details.
To select an image, click the Click to change button.
Note: The option to select an image is not available for image or video file types.
You can upload an image from your computer or select an image from Unsplash. To upload your image, click the browse link  or drag and drop  your file directly into the image drop zone.
- Thumbnail images must be a .jpg, .png, or .gif file.
- The minimum size of your thumbnail must be at least 147 pixels high and 262 pixels wide.
Locate and click the name of the file you want to upload. Then click the Open button.
To select and crop your image, drag the selection box . When you're done, click the Save button . You will be able to preview the image before sharing your resource.
Choose Image from Unsplash
You can also select an image from Unsplash image search.
To find images that represent your resource, enter a keyword(s)  into the search field. To choose a thumbnail , click the image you would like to use.
Preview your image. If you are not satisfied, click the Click to change button to upload a new image.
Note: User images are not saved in the image library for reuse.
Share to Commons
When you're done, click the Share button.