How to attach or add photo to Facebook comments on blogs and websites?

Facebook comments is a great interaction tool to add to your blog or website. The sheer number of Facebook users today is something that bloggers should tap and not only that, it is very convenient for the user also to comment using existing Facebook account he or she is logged into. So, if you haven't integrated Facebook comments, then do it soon.

How to add photo to Facebook comments on blogs and websites?