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Create a personal style photo presentation using special effects.
http://www.cresotech.com/
Customize.org is the most prominent and well-established desktop customization site on the web.
http://www.customize.org/
Through WinCustomize, you should be able to download skins, themes, icons, wallpapers, and more that will let you customize every part of the Windows operating system.
http://www.wincustomize.com/