Change Logon Background for Windows Vista or Windows 7 and Login to your Computer with your favorite background or Screen Image. Select any image file (.bmp, .gif, .jpg, etc) and change your logon background for Vista or Windows 7. The Logon background is visible for short duration even when using auto logon for Windows Operating System. The Logon background can be changed by selecting any of the windows wallpapers or any image of your selection. Download this free software utility and let your computer welcome you with background image of your choice, although you can revert back to default background as well for Vista or Windows 7.