NoUn Buttons parts the back and forward buttons in Firefox 3 and adds extra buttons and menus, which you can add by using “View > Toolbars > Customize”.
So you can restore the look of older Firefox versions.

More information: http://gulp21.uplink47.net/addons/noun

You can use the extension with all themes which base on the Firefox 3 default theme for Windows and some others listed on http://gulp21.uplink47.net/addons/noun/index.html#themes.

If you like this extension, please write a review or criticize something.