Footer Stuff by Roy Tanck is a WordPress plugin, that offers a way to add code to your blog’s footer an header sections, without having to edit your theme’s PHP files.
It allows you to copy paste code snippets into a text area (located on an options page under ‘Design’). That code is then inserted into you blog’s footer without the need to edit any template files.
Located under WordPress’ design tab it offers easy way of maintaining things like Google Analytics code, without being limited to just that one analytics system.
Footer Stuff link will display a HTML form containing two text boxes. The one at the top is to add content to your footer, and the second one is to add content to your header.
Nice walkthrough on using this plugin at :