How to change the thumbnail of your Tella video
If you want to change the thumbnail of your Tella video, you can easily do so by following these steps:
Go to your Tella video.
Click the Share button on the top right.
Select Viewer Settings.
From there, you can set the timestamp you want your thumbnail to be based on or upload your own thumbnail. The timestamp will determine the static thumbnail for your video and where the animated version begins. Whether you set a specific timestamp or upload an image, this thumbnail will be used in the following locations:
Your main library
The view page
The embedded player