Note: this is a Admin function.
You can manually change the image that is shown as the the thumbnail of a folder. The image must reside in that folder.
- Hover over the folder you wish to update the thumbnail.
- Click the ellipses (...) to bring up the pop up menu.
- Click Set Image.
- Select the image from the folder you wish to be displayed as the thumbnail.
- Resize and position the image how you like.
- Click Save to update the thumbnail.