Microsoft has allowed their users by providing a functionality to change the login screen in Windows 7 using 3rd party software. We have earlier shared tool to change logon screen in Windows 7 and Windows 7 Logon Screen Rotator. There is another similar utility which lets you change the login screen in Windows 7.
Windows 7 Logon Background Updator is a small tool developed by IntelliAdmin to change the background image of login screen in three easy steps as shown in screenshot below. Just select your Image, Preview it and Save it.
The program takes care of the registry changes and reduces the image size to fit into 256 KB. It makes it very easy to change the background.
Download – W7BackgroundUpdate.exe