Subscribe me
Allow your blog readers to subscribe to your blog, or add your blog to their RSS readers.
Digg This
The popularity depends on the post being digg. Detects incoming links from Digg and provides a link back so people can Digg your post.
Submit your post to popular social bookmarking sites.
FD Feedburner Plugin
Redirects the main feed and optionally the comments feed to Feedburner