Ok ya'll want it free? Theres tons especially if join the Yahoo groups. And here is also the links to certain sites that lets you have it for free!
http://one1998.funpic.de/themes.htm
http://nokia6600.dunno.be/themes.html
& also http://my.opera.com/community/customize/skins/?appAndVersion=Nokia+6600 (Where I've posted 3 so far, I'm Kay Dee)
These are the best one I think, so enjoy! 😃