Your feed, on steroids : add a custom footer to RSS items with, for example, a copyright notice, a “Read More (400 words)” links, an “Add to del.icio.us” link, a list of related entries, or anything really (even custom PHP functions). Compatible with Feedburner or similar services.
Improve connectivity between your feed and your site !!
For documentation and tips, please refer to the official plugin page for <a href="http://planetozh.com/blog/my-projects/wordpress-plugin-better-feed-rss/" title="Better Feed" rel="nofollow ugc">Better Feed</a>

Ozh' Better Feed

Your feed, on steroids : add a custom footer to RSS items with, for example, a copyright notice, a "Read More (400 words)" links, an "A …

Guesses your visitor’s Country from his IP. You can then add commenter’s nation flags next to their name in comments, for example.
For documentation and tips, please refer to the official plugin page for <a href="http://planetozh.com/blog/archives/2004/08/27/ip-to-nation-plugin/" title="IP to Nation" rel="nofollow ugc">IP to Nation</a>

Ozh's IP To Nation

Guesses your visitor's Country from his IP

Ozh' Better Feed vs Ozh's IP To Nation