A must-have for Super Mario Brothers 3 fans everywhere, this fabulous theme has the appeal of the game down to a science, though it's not the most professional pick.
Super Mario Bros. 3 Firefox theme intricately weaves its way into just about every facet of your browser. You'll find Mario, the mean mushrooms, and man-eating flowers all along your toolbar and menu items, but that's not all. Your scroll bar and menus will even look like the iron bars in the game, and the address and search fields are tacked up with metal screws suggestive of the many worlds Mario traveled. This colorful theme also changes your bar's background to the bluish-green sky of Mario's world.
You'll probably prefer to use this one at home rather than work due to its video game premise, but this extension is fun. Super Mario fans will love using this free theme.