Facebook comments plugin will help you display Facebook Comments on your website. You can use Facebook Comments box on your pages/posts.
Recent Comments with Gravatar is a WordPress widget that does the same thing with the standard Recent Comments widget in WordPress >2.8 with addit
Collect and display visitor reviews and ratings!
This WordPress plugin/widget will display top commenters of your blog in the form of gravatar images. The images can be stacked up or listed in a side
Collect and display visitor comments in a custom feed!