How to Change Windows 7 Media Center Background
Information
If you're bored of Windows default WMC background, there is a way of changing it!
Windows Media Center is not available in the Windows 7 Starter and Windows 7 Home Basic editions.
Note
Please make a backup copy of ehres.dll
This tip is surprisingly easy to pull-off too!!
1. First up you'll need to
take ownership of
ehres.dll located @ A:\Windows\ehome. 2. Make a copy of ehres.dll on the desktop and name it ehres BACKUP.dll 
3. Download
restorator 2007, run the program and use it to open ehres.dll (A:\Windows\ehome)
4. Once you have ehres.dll open in the left hand pane, navigate to;
RCData\COMMON.ANIMATED.BACKGROUND.PNG 5. Right click on
COMMON.ANIMATED.BACKGROUND.PNG and go to extract...>extract as
"COMMON.ANIMATED.BACKGROUND.PNG"
Save the .png to the desktop and name it common.animated.background.png
6. Right click again but this time go to
Assign...>Assign To...
Choose your preferred background (
must be .png) any resolution is OK.
7. Save ehres.dll and close restorator.
8. Create a new folder on the desktop named WMC Backup, put the ehres BACKUP.dll and common.animated.background.png into it, store it somewhere safe!
Open up WMC to see your new background.
Windows Media Center - Change Background 
