Grease Monkey Script

Now you can have mutweeps on your firefox with Greasemonkey.

This is a Greasemonkey user script.
To install, you need Greasemonkey Then restart Firefox and revisit this script.
Under Tools, there will be a new menu item to "Install User Script".
Accept the default configuration and install.
To uninstall, go to Tools/Manage User Scripts, select "Mutweeps", and click Uninstall.