To change the position of the centered wallpaper bitmap under Windows NT, use
the following registry hack:
Hive: HKEY_CURRENT_USER
Key:
Control Panel\Desktop
Name: WallPaperOriginX
Type: REG_SZ
Value: Enter the
desired starting value for the X axis
Hive: HKEY_CURRENT_USER
Key:
Control Panel\Desktop
Name: WallPaperOriginY
Type: REG_SZ
Value: Enter the
desired starting value for the Y axis