These Windows XP visual styles are authentic Microsoft themes. They have been created and digitally signed by Microsoft. Nothing is required to use these with Windows XP. You don't need WindowBlinds, StyleXP, or a patched UXTheme DLL.
These are digitally signed, authentic Microsoft visual styles for Windows XP.
Just extract these to your \Windows\Resources\Themes folder, and you should be able to select them under Display Properties -> Appearance.
"Energy Bliss" (Theme from Media Center): Energy_Bliss.zip (1,051KB)
"Royale" and "Royale Noir": Royale_Noir.zip (779KB)
"Zune Style": Zune_Theme.zip (179KB)