How can I change the Theme on my Mac OS X desktop?

i recently downloaded a theme off hte net, but i don;t know how to put it on the desktop. Help!How can I change the Theme on my Mac OS X desktop?
I think you'd need shapeshifter.



http://www.unsanity.com/haxies/shapeshif



A tad expensive, tho.How can I change the Theme on my Mac OS X desktop?
What are you trying to change it to? Gay Bar colors? ha ha ha ha ha
go to properties then apperance
try to search on www.katz.ws for themes for mac !!

cheers
I bet you got a windows theme file!



mac themes come with installers, that set the system prefs for you.



What did you get ? Where did you get it?



the other answers were for windows and wiseguys!