

You can tell OS X when to activate the screen saver by choosing an idle time from the “Start after:” menu at the bottom of the preferences window. You can also choose a folder of images on your computer, or an event from your photo library. OS X comes with collections like as National Geographic, Aerial, Cosmos, and Nature Patterns. In the preferences window, select a slideshow choice like Floating, Reflections, Origami, or Shifting Tiles.To create a slideshow screen saver, do one of the following: To see a full-screen preview, move your cursor over the right pane and click the Preview button. Select one of the screen savers in the left pane.Available screen savers appear in the left side of the window and a preview of the selected screen saver appears on the right. From the View menu, choose Desktop & Screen Saver.From the Apple menu, choose System Preferences.OS X comes with several screen savers that display photos, messages, artwork from your iTunes library or photo library, and more.
