Hi, I'm looking for the names of plugins used by many blogs to show off your latest post or fan page name or latest feed entry or something of the kind in your comment. I know one is Commentluv but I learned that many blogs disabled it a long time ago and all comments there just disappeared. They did it to avoid decreases in their rankings due to deep back links in those comments if I'm not mistaken. Some blogs meanwhile keep on using Commentluv now.

Another good option for comments is Facebook comments. It shows your fan page title and links to it. Good way to promote it.

What else can you recommend?
Thanks.