1. An operating method of a mobile terminal, the operating method comprising: bookmarking a plurality of websites using a touch screen of the mobile terminal, and storing a plurality of images respectively corresponding to the bookmarked plurality of websites in a memory of the mobile terminal; displaying on the touch screen an image array including the stored plurality of images in such a manner to create a sense of distance; and if a drag signal is input via the touch screen, changing at least one of the sizes of the images in the image array, at least one image in the image array, and an arrangement of the images in the image array, according to a direction and distance corresponding to the input drag signal.