I know that it's not officially supported, but come on... It's just screwy in Firefox. At least, that's my experience. And I've recently been promoted to be a news editor for the HeadCrab Union, so I've been messing around with it a little more than I used to...

Of course, it's entirely possible that I'm just a raving moron...

And I'm still working on my 'Tips for Gamespace banners' article. I hope more people will start creating their own banners, because every gamespace should have one.