The default logon screen of Vista is not much exciting like the other UI features in Vista. The default logon screen may be annoying for many people. But not anymore, thanks to Stardock for creating this small utility to set any wallpaper as logon screen- Logon Studio.
Logon Studio is a free utility which can set any wallpaper as your logon screen. All you need to do is to download this utility and select the wallpaper you want as logon screen and apply.

You can create a new logon screen using the create feature available.

Once you apply the new logon screen, the utility will lock your computer to show how the new logon screen looks like.
NB: Logon studio is available for Windows XP as well.
Img Src: Stardock

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