Firefox Extensions (Add-ons)
This extension utilizes the "Clear Recent History..." feature that is part of Firefox version 1.5 and above. It makes this feature a lot more accessible via right-click context menu and an optional toolbar button.
You can download/install the Add-on at addons.mozilla.org:
Note: Clear Private Data... + is no longer supported! Please use Clear Recent History... +!
You can download/install this Themes at addons.mozilla.org: