Set background picture for any drive in windows without any software

+ Open notepad and copy the following code :

[{BE098140-A513-11D0-A3A4-00C04FD706EC}]

iconarea_image=milan.jpg

iconarea_text=0x00FFFFFF

+ Here, the 2nd line in the code represents the name of your picture.

+ Now save this file as DESKTOP.INI in the location(any drive or any folder) where you desire 

to set the background picture.And copy the picture too in the same location.You are DONE !!