If you need help finding some cool wallpapers, we’ve got plenty here.Ĭhanging every 5 seconds can be a bit neurotic, but if you have enough similarly themed wallpapers to go with, it can create a feeling similar to the living desktops of Android fame. Whatever your background picture was set to will be changed immediately, and then it will change again at the time interval you selected. Select “Random order” as well for best results.Go to “Desktop” tab, then click the checkbox next to “Change picture” and set the time interval, the default is a new background every 30 minutes.Open “System Preferences” from the  Apple menu.How to Set Automatically Changing Wallpapers in Mac OS X

You can use this to rotate through wallpaper pictures, or if you get creative, to make some pretty interesting desktop background effects, like changing colors, or going from a black and white picture to a colorized version, and so forth. Essentially this means your wallpaper will change itself on a set schedule, so you’ll never be stuck with the same image.

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