Windows 7 Logon
Windows 7 Logon 1.5.2 can be downloaded from our website for free. The most popular version of the tool is 1.3. The software is categorized as Desktop Tools. This free software is a product of Julien MANICI. Win7LogonBackgroundChanger.exe is the most frequent filename for this program's installer.
From the developer:
Windows 7 Logon Background Changer is free open source software that let you change the wallpaper of the Windows 7 login screen (also known as "welcome screen", "login screen" or LogonUI).
On a side note, this small program is WPF based, it's a nice technical demo of Windows Presentation Foundation capabilities for those interested in WPF. It requires a decent GPU for the 3D animations to run smoothly.
You may want to check out more software, such as Windows Logon Notifier, Awesome Logon or Rohos Face Logon, which might be similar to Windows 7 Logon.