[Plugin: Add Tweet as Comment] Tweets aren't visible but counted in comments

I added 4 tweets into this post but they doesn’t show up. Never had this problem before so I can’t figure out the problem :/

http://makeupedia.se/kicks-makeup-fall-2012#comments

As you can see WordPress comments says “4 comments” but they aren’t visible.

http://wordpress.org/extend/plugins/add-tweet-as-comment/