First of all, you want to use as a background picture into the root directory of U disk. Name the picture as a letter or number. For example: abc.jpg, create a new text file (that is, Notepad file) in the root directory. Enter the following content (Paste and copy):
[Extshellfolderviews]
{BE098140-A513-11D0-A3A4-00C04FD706EC}={BE098140-A513-11D0-A3A4-00C04FD706EC}
[{BE098140-A513-11D0-A3A4-00C04FD706EC}]
Attributes=1
Iconarea_image=abc.jpg
[. ShellClassInfo]
Confirmfileop=0
Note: Then change the file name to Desktop.ini and remember the file with the extension "INI". Right-click Refresh, and when set to do not show known file name extensions, need to do the relevant settings can be changed: such as: In My Computer window, click: tools → folder Options → then find the "hide known file type extension" option, the front of the check point can be.
Hint: We can also hide the pictures and Desktop.ini to make the interface look more beautiful. To do this: Select the picture file and Desktop.ini, right-click "Properties",
To "Hide" the front of the check, point "OK" can be.
This method is not only suitable for u disk, you can also use the hard disk to move hard disk or even engraved in the disc.
Simply replace the a.jpg in the Desktop.ini with the path of the picture, either absolute or relative.