Facebook fan pages can be really creative these days. You could either install applications that have been created already, design your own tab using FBML (which is a variant of HTML – it’s not too difficult) or program your own application (which is the most challenging of the lot).

To show you what some sites have done for their fan pages, here’s a cool website called Facebook Showcase that highlights what’s cool out there. You can even submit your fan page if you think you’re cool enough.