1. Right click on Windows 7 Desktop whitespace processing, then click "Personalization"
2. Click on "Desktop Background" as shown in the following figure
3. We choose our favorite picture library or choose our own custom picture (here you can put the good wallpaper in here OH)
4. We can set the background on the desktop fill way! Time interval for desktop replacement! and the order in which the pictures are displayed
5. Click "Save Changes" when the modification is complete
Friendly hints, this inside of the wallpaper are the system from the oh, maybe it's not like you're a beautiful woman or something. Wallpaper, of course, I also said that in addition to the system wallpaper automatic switching, we can also use such as desktop themes such as my tool to implement automatic wallpaper, but if the computer configuration is not good may be slower and own.