Binterest.com [Blog of Ur Interest] presents you with the collection of Firefox Add-ons, which I Personally use and are Must have for every online users for better, easy surfing.
Get sub-themes on http://www.foxdie.us
Collector's Note Love Mac Use this theme - Extended theme to modify not only the icons and color much much more., look at the Fox icon on status bar on left side after installation for more customization
Right double-click anywhere on web page to close current tab.
Adds advanced search capabilities to the Firefox address bar. Supercharge the "Awesome Bar" with instant search results that appear as you type!
A tiny expandable calculator at the status bar for quick calculations
Fission combines address bar and progress bar (Safari style). This makes the progress bar more visible and allows for a nice visual effect.
Tabs Open Relative makes all new tabs open to the right of the current tab, rather than at the far right of the tab bar (optionally this only applies to links).