The Addon Bar (Restored) will give you a place to put all your add-on buttons without over-crowding the navigation bar. It aims to be a lightweight, yet fully functional replacement for the old add-on bar.
Tag Archives | bar
Tired of the way your Firefox bookmarks toolbar looks? Here are some easy tweaks you can make, as long as you have the Stylish add-on installed.
To make use of any of these changes, go download and check out the Stylish extension for Firefox. It makes customization a pretty easy task, if you can find some jewels like the links above or you know a little CSS.