Rated 1 out of 5 stars

i can´t deinstall it. i can´t remove the icon from the navigationbar. i can only deactivate the addon. so i can´t deal with it.

Firefox v10.0.1

This review is for a previous version of the add-on (0.9.9.108.1-signed.1-signed). 

The fix was introduced in vesion 0.9.9.109 that is waiting for approval by Mozilla Add-ons.
You can delete extension from Add-ons menu(Ctrl+Shift+A) and remove it from list.