Firefox Extension Guide and More
 

comprehensive list of Firefox extensions geared for the average power user and web developer includes description and screenshots of featured extensions. Plus Firefox Hacks and keyboard command guide. Always updated with the latest Firefox extensions, and tweaks

http://willlangford.com.nyud.net:809...pages/firefox/
http://willlangford.com/geekpages/firefox/

Mozilla extensions in action:

looks familiar;)