I knew I had seen this somewhere! So I'm writing this post so I can remind myself where this is for the next time.
Rene Hezser packaged up a great install for multi-language versions of the additional SharePoint themes that were released some time ago. Though I haven't tried he states you can even install them on WSS if that is what you have.
Get them here:
He also has a nifty looking webpart to display all your alerts throughout the farm. I haven't tried it but I'd like to!