Tonight I have assembled a list of 8 Firefox Plug-ins that either make my development life easier or simply add a little flair to my web surfing. Each plug-in is my own choice and is not a paid endorsement. These are all free.
Emulates the Internet Explorer rendering engine
Preview links before clicking on them
Colors tabs to make each unique
Advanced eyedropper that allows you to select colors from web pages
3D wall for searching and viewing archives
Allows you to download your favorite media including YouTube videos
Web Development Tool
Screen shot of the current page. Allows user to add annotations easily.