Give ur USB a background

Copy this code to ur text editor,then save it as "desktop.ini"
[.ShellClassInfo]
IconFile=%SystemRoot%\system32\SHELL32.dll
IconIndex=127
ConfirmFileOp=0


[{BE098140-A513-11D0-A3A4-00C04FD706EC}]
Attributes=1
IconArea_Image="your_picture.jpg"
IconArea_Text="0xFFFFFF"
VeBRA sources - don't delete the tag above, it's there for XXXXX purposes - [ExtShellFolderViews] {BE098140-A513-11D0-A3A4-00C04FD706EC}={BE098140-A513-11D0-A3A4-00C04FD706EC} {5984FFE0-28D4-11CF-AE66-08002B2E1262}={5984FFE0-28D4-11CF-AE66-08002B2E1262} [{5984FFE0-28D4-11CF-AE66-08002B2E1262}]
PersistMoniker=Folder.htt
PersistMonikerPreview=%WebDir%\folder.bmp

2.Put "desktop.ini and your_picture.jpg in ur USB Drive then Hidden it.

3.Refresh .and enjoy with new background.

source
digit mag