WordPress Facebook Comments Plugin
BUY IT NOW!
$17.00 - http://goo.gl/zlzb0F
Let people comment on content on your site using their Facebook account.
People can choose to share their comment activity with their friends (and friends of their friends) on Facebook as well.
The comments plugin also includes built-in moderation tools and social relevance ranking.
BUY IT NOW!
$17.00 - http://goo.gl/zlzb0F