I found a working patch that installs within Windows that will allow you to use third party themes (without a program like Style XP)
This is for the Official Windows XP SP-2 Build 2180 ONLY-
http://www.neowin.net/comments.php?id=23207&category=software
This is for the Official Windows XP SP-2 Build 2180 ONLY-
http://www.neowin.net/comments.php?id=23207&category=software