In the plugin settings, I have selected "Image from page" but when I try to share a post on Facebook, the only image available as a thumbnail is the Gravatar logo, which is not even in use on my site.
The settings were changed after some posts were published and now the images only work on the new posts, not the older ones. Example here: http://www.sparklogix.com/the-top-10-viral-videos-of-2011/
This has been extremely frustrating, what can be done to get the post images to show up as the share image? Thanks!