I have previously described how to create Recent Comment with Javascript in HERE. So, now I will explain how to create Recent Comment via Feed. You may be confused to choose. Of course both have advantages and disadvantages. Recent Comment clear via JavaScript have advantages in the view while Recent Comment Feed with the view is more simple but the problem with the loading of the feed will be faster.

First login to Dashboard. Click Layout -> Page Element -> Add a Page Element -> Feed then in the Add Url input yout Feed address. Thers a 2 option feed can be use :

1. Use Blogger Feed

http://blogname.blogspot.com/feeds/comments/default

2. Feed with FeedBurner

http://feeds.feedburner.com/FeedCommentName

Dont forget to change the RED text with your blog name / comment feed name :)

source : http://www.o-om.com/2008/03/membuat-recent-comment-via-feed.html