I've bought your Facebook Social Comments and Facebook Like/Share plugins. I've got the Like/Share one working fine but the Comments one has got a strange error.
You can post comments fine on the site, and it looks as if it's worked fine, but when you view the feed story that is generated on Facebook if doesn't link back to the article the comment was made on. Instead it links back to this url:
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As you can see it says the comment was made "on Facebook.com" and not on my actual site.
I believe this is down the iframe being loaded with some old version maybe? I've included the src field from the iframe that is displayed on the site, line breaks have been inserted on each parameter for ease of viewing: