Christopher Shennan

This plugin displays the twitter posts from a twitter account in the sidebar.
wpTwit is a PHP Twitter Reader based on <a href="http://www.chrisshennan.com/my-projects/linetwit-a-php-twitter-reader-based-on-mytwit/" rel="nofollow ugc">lineTwit</a> which was written for <a href="http://www.line.uk.com" rel="nofollow ugc">Line Digital</a> and based upon <a href="http://www.axllent.org/projects/mytwit" rel="nofollow ugc">myTwit</a> by Ralph Slooten.
wpTwit was written by <a href="http://www.chrisshennan.com" rel="nofollow ugc">Chris Shennan</a>.

wpTwit

Add your twitter posts to your blog using wpTwit - A PHP Twitter Reader based on lineTwit (an extension of myTwit by Ralph Slooten)

alaingg

Simple plugin that allows to include the images into your wordpress rss, rss2. 
The plugin use the post/page thumbnail or the firt attached image to the post/page gallery. viste the <a href="http://web-argument.com/2008/11/09/wp-rss-images-wordpress-plugin/" rel="nofollow ugc">plugin page</a> for details.

wpTwit vs WP RSS Images