Windows' built-in wallpaper switcher is okay, but not spectacular. If you'd like to beef up your rotating wallpaper, John's Background Switcher gives you tons of options for doing so, and at no cost.

There is nothing our Dr. doesn’t know, so ask away! Ask Dr. Root. Dr. Root, How can i use multiple static wallpapers? Well. before last week I would have told you that it’s not possible.