Give background to your Pen Drive

Just Copy this code in Notepad and save it by name "Desktop.ini" (without quotes)
*******************************************************************
[{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
***********************************************************************************

Put "desktop.ini and your_picture.jpg in ur USB Drive then Hidden it.
Refresh and enjoy with new background.