I have a facebook share button on my website and it works great on everything else except for embedded videos from youtube. When I click on the share button it only loads the title and whatever the excerpt is with out the thumbnail of the video. Please can someone help on this problem? My entire site depends on it.
closed as too localized by Chip Bennett, EAMann♦ Jan 31 '12 at 22:05
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You have to add the meta og:video tags into your header for it to recognize them.
Simple Facebook Connect does this automagically for YouTube content: http://wordpress.org/extend/plugins/simple-facebook-connect/
More info on OpenGraph tags here: http://developers.facebook.com/docs/opengraph/
I think this question is not WordPress related. Still, regarding the question, I think Facebook includes a thumbnail to the video when you share a link to a YouTube video, not a page that contains a YouTube video (as would be the case in your website).
Anyway, you'll probably have better luck asking this on http://webmasters.stackexchange.com/