Note from Mozilla: This add-on has been discontinued. Try FXChrome instead.
Chromifox Basic is a coat of chrome for Firefox.
It's simple sky blue theme with simple, cool interface as like summer sea.
A flat, small, green & gray Firefox theme.
More details at http://www.twistermc.com/blog/miint/
ANTHEM is a take on originality and recent UI trends for Firefox web browsing. It was built on the original Mac theme that comes OOB with the FF3 install.
Pretty and pleasant icons. Built to accompany Azerty 'mail (See Thunderbird Add-ons...)...
Pretty and pleasant icons. Each button was designed to symbolize its real function. Sometimes realistic or symbolic but always with merry colors and original forms...