The thumbnail image is the image that appears to the viewer when the media asset loads before the viewer engages / plays the video.
When a new video is uploaded to Viostream, the system automatically captures a thumbnail image at 10 seconds.
You can capture a new thumbnail image by selecting the camera icon while playing the media asset.
Select the thumbnail tab on the media asset to see the new thumbnail images you captured
To select a new thumbnail image, click on the one you want and set it as default.
If you aren't satisfied with any of the new thumbnail images you captured, simply upload a custom thumbnail image.