A simple to use WordPress plugin based on Flickr API which digests all your photos posted in last X days in a single post periodically.
This plugin simply adds your post thumbnails to your RSS feed as enclosures. Nothing else to it.
Simple Twitter Connect
Simple Twitter Connect makes it easy to integrate your site
More at: http://weblogtoolscollection.com/archives/2010/02/25/wordpress-plugin-releases-for-0225-2/