WindowsBlinds is the best program for changing themes. on
www.wincustomize.com you can find also DesktopX wich is an awesome program to change the desktop, but I don't use it because almost all the themes are for 1280x1024 resolutions and my monitor doesn't support it. Anyway, there's algo a program to change the longon screen on WinCustomize, bootcreens, and a whole bunch of programs more
. I'm so happy there are this kind of programs to change themes (I'm tired of the ones XP has) just right after WindowsXP don't use anymore PLUS! (Theme changer) from Win98
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