Grabbing Thumbnails from YouTube: Quick How-To
Perch's YouTube app makes it super easy to include thumbnail(s) of a video in your template. In order to get the URL of the thumbnail image, all you need is the video's ID, which is readily available using the
output="id" attribute. Then simply insert that ID into one of these URLs to get the thumbnail of your choice.
I know it's kind of trivial, but I just got really excited about this and wanted to share!