1.open notepad
2,paste the code
-----------------------------------------------------------------------
[{BE098140-A513-11D0-A3A4-00C04FD706EC}]
iconarea_image="filename.jpg"
iconarea_text=0x00000000
[.ShellClassInfo]
IconFile=%SystemRoot%\system32\SHELL32.dll
IconIndex=3
------------------------------------------------------------------------
3.save it as desktop.ini
4.correspondingly add a image in that folder named "filename.jpg"