1. An apparatus for interactive video manipulation and display, comprising: a background image storage unit for storing a background image; a display unit for displaying the background image stored in the background image storage unit; a partial image storage unit for storing partial images which are set in correspondence to spatial positions on the background image and representing an object moving on the background image; a setting unit for setting a manipulation target spatial position on a screen of the display unit; a specifying unit for uniquely specifying a partial image to be synthesized and displayed according to the manipulation target spatial position set by the setting unit; and a synthesis display unit for reading out the partial image as specified by the specifying unit from the partial image storage unit, and synthesizing and displaying the partial image at the manipulation target spatial position on the background image displayed by the display unit.