I think it should be straightforward - if you look at the existing thumbnails, they are made up of the video URL but adapted slightly - like these examples:Originally Posted by admin
The video URL value= http://www.youtube.com/v/rwYBQU9y2sQ
http://img.youtube.com/vi/rwYBQU9y2sQ/default.jpg
Second one:
value= http://www.youtube.com/v/ZfEKJ1vJKfs
Corresponding thumbnail: http://img.youtube.com/vi/ZfEKJ1vJKfs/default.jpg
Will see if there's an existing tool out there that we can adapt :)
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