The iPad’s built-in Picture Frame is one of its coolest (sorta) hidden features—but did you know that you don’t have to settle for its default settings? Open the Settings app, and right below Brightness & Wallpaper you’ll see the selection for Picture Frame. On this screen, you can choose between two transitions—Dissolve and Origami—set the time that each photo is on the screen, choose whether or not to zoom…
