1. A method of outputting a group of images for display, the group being taken from a plurality of images, each image in the plurality of images having a face located therein, the method comprising: retrieving a set of images from a storage medium, the set of images containing at least the plurality of images from which the group of images to be displayed is selected; identifying the face in each of the plurality of images; identifying variable features on the face in each of the plurality of images; establishing the group of images in accordance with a measure of the dissimilarity between the variable features in the plurality of images; and outputting the group of images for display.