1. An image reproducing apparatus, comprising: a selecting device that selects a file from a storage medium storing both files of still images and files of moving images; a first display that displays a still image on an image monitor when the file selected by said selecting device contains image data of the still image; a second display that displays a frame of a moving image on the image monitor when the file selected by said selecting device contains image data of the moving image, a display style of the frame of the moving image being different from that of the still image; and a third display that displays the moving image on the image monitor if a user operates said image reproducing apparatus for moving image reproduction when the frame of the moving image is being displayed on the image monitor by said second display.