This handy extension adds icons to every menu in 7 different programs!! It works in ALL LANGUAGES and is frequently updated, it even adds icons to any items added by other extensions!! Check out the previews. This works with:

Firefox, Thunderbird, eMusic Remote, Flock, Sunbird, Netscape, Nvu and SeaMonkey.

This extension also incorporates the “flatstyle” extension and an option to add icons to the menubar test or completely replace them with icons. This can be configured in the options. Extensions are actively iconified.