One of my favorites is eggclock.mpg, available at:
usage:
texture [-46wnd -t object -x num -y num -f freq] [-n || -locpm movie ...]
-l, loop (default)
-o, once
-c, cycle through movies
-4, 4 face cube filled with movies
-6, 6 face cube filled with movies
-p, do not fill faces with movies
-m, no multi-threading
-w, write a scene graph to movie.iv
-n, no movie, just the object
-d, deform face
-t [cone|cylinder|sphere|cube|surface|mesh], texture onto an object
-x num, Set resolution in x for mesh object (>1)
-y num, Set resolution in y for mesh object (>1)
-f freq, Set timer frequency for deformations (>0)
texture -6 movie1.mpg movie2.mpg
texture movie1.mpg movie2.mpg
texture -6 -c movie1.mpg movie2.mpg
texture -w -6 -c movie1.mpg movie2.mpg
texture -t cone movie1.mpg
texture -t surface movie1.mpg
texture -t mesh -d -w movie1.mpg