How to Change Windows 7 Logon Screen with file context menu

Users in previous version of Windows had to use third-parry tools like Tune-Up-Utilities to change the logon screen background. Now Windows 7 supports customization of Windows 7 logon screen officially.By taking the following steps you can find that replacing the old logon screen is just another task like changing wallpaper.

You complaint that the same old blue background is boring.You do not like it.You want to change the logon screen. Let me show you how to change Windows 7 logon screen.

I'm using Windows 7 for many months, it is beautiful, powerful and reliable. But there is a little shortage on Windows Explorer: I cannot change folder colors for better recognition, and it is a little complicated to change folder icon... Is there any way to Change Windows 7 folder colors and icons with context menu?