1. An image processing apparatus, comprising: processing circuitry configured to synthesize each frame of a dynamic picture so that each synthesized frame of the dynamic picture is displayed on a display, control the display to display a plurality of representative images, each of the plurality of representative images corresponding to a dynamic picture, and control the display to display a representative image, which corresponds to a dynamic picture that can be synthesized with a currently reproduced dynamic picture, in a distinguished fashion from other representative images, the other representative images corresponding to dynamic pictures that can not be synthesized with the currently reproduced dynamic picture.