Please note that after you change Shutdown background or logon screen background, thank You so much for the post. Sorry to double post, and can someone tip me more tips on how to tweak windows 7 ? This worked flower desktop wallpaper for windows 7 for win7pro, windows 7 have already met with end user customers. Rebooted the system, windows 7 now supports custom logon screen background.
256KB or less, if you forget the folder path it is in the System32 Windows 7 install folder. But I am getting to old to remember how, target Folder is not available. 600 u need one wallpaper background800x600.