I know this probably isn't a XenForo issue but rather a Facebook one but hopefully someone has an idea how to fix this. I have a thread that is getting quite a bit of attention that I would like to make sure Facebook is posting a decent thumbnail for. It is an embedded vimeo video with no other images in the post so I added a thumbnail from the video so that FB would grab it as the image. The problem is that FB grabs that image if I link to any post in the thread OTHER than the first post or the main thread link. Example If I post this to FB, it posts the thumbnail: http://backcountrypost.com/forum/index.php?threads/a-year-under-the-stars.197/#post-1768 But if I post the main thread URL, it posts no thumbnail. http://backcountrypost.com/forum/index.php?threads/a-year-under-the-stars.197/ Same problem if someone clicks the Facebook Like button. Any ideas on how to fix this, even if it's just a one time fix for this particular thread?