Rated 4 out of 5 stars

le Piluze ar Meith. 5, 2011 · buan-nasc

support FF 2.0 - 4.0
http://mrte.ch/toolkit (xpi download)
http://forums.mozillazine.org/viewtopic.php?f=48&t=669795&start=645
alternative
http://www.mediafire.com/?if3v8jmib845fsq