"Alex Reed, aka Xeraxic, has managed to unlock a feature in Windows 8 build 7955 that allows the user to use their desktop wallpaper as their lockscreen. Combined with the auto-wallpaper in Windows 8, users will hopefully have a unique lockscreen everytime they sit down at their computer." - LANjackal

Nice touch. We prefer stability improvements over this though. - AJ Batac

That was already possible in Windows XP with third-party software. - Morton Fox