Type Regedit in the Run Dialog and Navigate to
CODE
HKEY_LOCAL_MACHINE-> SOFTWARE->MICROSOFT->WINDOWS->CURRENT VERSION
It contains a key called "WallpaperDir". Right click on this key and select Modify.
Here Type the Full Path of the Directory where your Wallpapers are stored.
Close the Registry Editor and Refresh the Desktop.
Open the Display Dialog and you will see all you wallpapers Right There.
Notice from Jeigh:
Warning: Improper modification of your registry can render Windows inoperable


