This should work. These instructions are for Lion, and other OS versions might be slightly different: 1. Open the image in Preview. 2. Select "Adjust Color" under the "Tools" menu. 3. Increase the "Exposure" (move the slider to the right). 4. Increase the "Contrast" (move the slider to the right). 5. Fiddle with the Exposure and Contrast sliders until you achieve the desired effect. Enjoy! Jim On Sep 14, 2012, at 3:02 PM, john dach wrote: > > This changes the background around the "picture" not the background within the picture. >