Real Fullscreen 0.1
In fullscreen mode, the toolbar does not hide completely and leaves an annoying gray line at the top.
This add-on removes this toolbar and give you a REAL FULLSCREEN!
Real Fullscreen works on Firefox 3.6 (Window) & Firefox 3.0 beta 5 (Redhat)
This add-on is not compatible with your version of Firefox because of the following: