1. An image editing apparatus comprising: a display unit which displays various kinds of information thereon; an image display control unit which displays a catalog of plural images on the display unit; a template display control unit which displays on the display units the catalog of plural images and a template being used as photo album paper, said template having plural image insertion areas, each area attached with at least a piece of composition information representing composition of an image to be inserted in the area, and correspondence information representing a correspondence between composition information attached to a predetermined image insertion area and composition information attached to a correspondence image insertion area corresponding to said predetermined image insertion area, in order to process an image to be inserted in the predetermined composition area and an image to be inserted in the correspondence image insertion area to have a composition in relation with each other; a designation reception unit which receives designation of image insertion area in the template displayed on the display means; an image selection unit which receives selection of two images, the one is inserted in the predetermined image insertion area and the other is inserted in the correspondence image insertion area, from the catalog of plural images; and a processing information generation unit which selects a piece of composition information suitable for the selected image to be inserted in the predetermined image insertion area from the composition information of the predetermined image insertion area in accordance with a scene property of the selected image, selects a piece of composition information suitable for the correspondence image insertion area from the composition information of the correspondence image insertion area with reference to the correspondence information, and generates processing information including information on a magnification ratio and/or a trimming position regarding each image to be inserted in each area in order to process each image to have the composition represented by each selected composition information, with reference to the selected composition information of the predetermined image insertion area and the selected composition information of the correspondence image insertion area.