Posting an embedded video link using the Facebook Graph API

Question

When manually attaching a video link (from YouTube, Vimeo, etc) to a post using the Facebook web interface, Facebook automatically recognizes the link as a video, and allows

Answer 1

Sharing using the API any .swf file or video wont show a thumbnail on facebook unless its youtube . And that is by design as per facebook. Check this link

https://developers.facebook.com/bugs/589975484398226?browse=external_tasks_search_results_526fc388b99e18881434478