Desktop background???

Control Panel\All Control Panel Items\Personalization or right click on the desktop down at the bottom.

Hello Titi,


For themes: Theme - Change or Save

   Note

My Themes is your current theme. These .theme files are located in the hidden C:\Users\User-Name\AppData\Local\Microsoft\Windows\Themes folder.

Aero Themes are the Windows Aero themes. They are located in the C:\Windows\Resources\Themes folder.

Basic and High Contrast Themes are the Windows 7 Basic, Windows Classic, High Contrast #1, High Contrast #2, High Contrast Black, and High Contrast White themes. They are located in the C:\Windows\Resources\Ease of Access Themes folder.

Regional Themes - See: Themes - Regional

For desktop backgrounds: Desktop Background - Change

   Note

C:\Windows\Web\Wallpaper

and

To select another regional wallpaper in steps 3 and 4 below:

• Unhide the Windows 7 System and Protected Operating System files.NOTE: This will be steps 2 and 4 at that link.
• Browse to C:\Windows\Globalization\MCT.
• Open a MCT-(AU, CA, GB, US, or ZA) folder for the regional wallpaper that you want.
  NOTE: AU (Australia), CA (Canada), GB (United Kingdom), US (United States), and ZA (South Africa).
• Open the folder with the name (ex: Australia) for the region area.
  NOTE: Once you have browsed to the selected regional wallpaper location, it will be listed in the Picture location drop down menu to select from next time.
• Select the wallpaper in step 4 below.
  Hide the Windows 7 System and Protected Operating System files.
  NOTE: This will be steps 3 and 5 at that link.

Hope this helps,
Shawn

My bad. Folders not the same as location in CPL