Fast Flickr Widget
Plugin that let you add a Wordpress Widget to show your Flickr photos on your sidebar. It has thickbox, tag selecion, tag random, random, and others options.
License: GPLv2
Demo: http://www.matbra.com/en (take a look at sidebar)
Download: http://wordpress.org/extend/plugins/fast-flickr-widget/
Screenshot: http://wordpress.org/extend/plugins/fast-flickr-widget/screenshots/