Win7 set desktop background rotation effect

win7 provides desktop background rotation effect, can meet the friends who like to set personalized computer desktop, computer desktop is always a background for a long time, it will also produce visual fatigue. So set a few desktop backgrounds you like and let them show for half an hour, or 1 hour, in turn. very good. The setting method is also relatively simple. Here are the setup steps:
Right click on the desktop of the computer---Select “ Personalize ---Desktop background----Point"Browse” Add the pictures you want to set up for rotation - -- Then set how often they change the conversion, and finally save it (as shown in Figure 2: 1, 2, 3, 4). Finally, select the theme you just added in my theme, or save it as a theme, so you can add a lot of themes. (Figure 1):
Figure 1 Select the picture theme you added in my theme

Figure 2

The 1, 2, 3, 4 steps above are added The background image, and how long it takes to change one.