http://download.microsoft.com/download/0/2/d/02db9e4b-c880-4030-a9b2-6af692f06297/wddu.exe
Dancers for Windows XP Media Center Edition 2005
The following Windows Dancers are available for purchasers of Windows XP Media Center Edition 2005 and available in multiple sizes. It's easy to download the dancers by using the Windows Dancer Download Utility, and they are available automatically the next time you start Windows Dancer. To choose a different dancer for your desktop, simply right-click the current dancer, click
Select Dancer, and then click the new dancer you want to see
http://www.microsoft.com/windowsxp/downloads/desktop/dancers.mspx
Get Skins for mce 2005 here:
http://www.microsoft.com/windowsxp/downloads/desktop/moreskins.mspx