Even after adding OpenGraph plugin facebook share wont show post image

i had installed the open graph plugin and give all the needed information but still my blog post shared in facebook not show any images. i had test with facebook debigger, everything work fine in that but in real it wont.

http://developers.facebook.com/tools/debug/og/object?q=http%3A%2F%2Fwww.chanhope.com%2F2012%2Ftop-10-free-business-card-templates%2F

orginal link to the post http://www.chanhope.com/2012/top-10-free-business-card-templates/