1. A method of displaying a plurality of images, each image having an associated aspect ratio and at least one of said images having a different aspect ratio to at least one other of said images, said method comprising the steps of: displaying a first of said images, said first image being scaled so that a selected side of said first image is fitted to a corresponding side of a first region associated with said first image; and displaying a second of said images substantially behind said first image, said second image being scaled so that a selected side of said second image is fitted to a corresponding side of a second region associated with said second image, wherein the aspect ratios of said first and second images are maintained.