View in HD at . You can quickly and easily made a slideshow in the Photos app, but those can't be exported to share. By using the free iMovie app from Apple, you can build a slideshow from a set of photos in minutes and then export it as video to share. You can also customize each photo with filters, cropping, movement and text. You can add music, audio and narration to the slideshow too. The basic idea works on the iPad as well.