Display animation frame N of IMAGE.
N=0 refers to the initial animation frame.
COUNT is the total number of frames in the animation.
TIME-ELAPSED is the total time that has elapsed since
`image-animate-start' was called.
LIMIT determines when to stop. If t, loop forever. If nil, stop
after displaying the last animation frame. Otherwise, stop
after LIMIT seconds have elapsed.
The minimum delay between successive frames is 0.01s.