1. A method of creating a pleasure image file comprising a plurality of images, the method comprising: providing a plurality of still image files for use in creating a pleasure image file comprises a plurality of still images from the plurality of still image files; receiving an input indicative of a sequence for displaying the plurality of still images when playing the pleasure image file; assigning, to each of the plurality of still images, a period during which each still image is to be displayed on a screen; adding, to at least one of the plurality of still images, a display special effect to be used while displaying the at least one still image; and creating the pleasure image file configured to display the plurality of still images on a screen in accordance with the sequence each for the assigned period, wherein the at least one still image is to be displayed with the display special effect.