This photograph with mountains and cloudy skies makes a great background for the Transfiguration scripture from Matthew 17:5.
PowerPoint: This image is downloadable as a PowerPoint set, which includes a slide with a Scripture and one with the photo only. The Scripture is from Matthew 17:5: "Behold, a bright cloud overshadowed them; and suddenly a voice came out of the cloud, saying, 'This is My beloved Son, in whom I am well pleased. Hear Him.'"