import processing.video.*;
Movie myMovie;

void setup() {
  size(200, 200);
  myMovie = new Movie(this, "totoro.mov");
  myMovie.play();
}

void draw() {
  image(myMovie, 0, 0);
}

void movieEvent(Movie m) {
  m.read();
}

I think the sound's out of synch too, but it's difficult to tell with the missing frames.

I've ordered some extra ram in the hope that might sort it, but the clips are pretty small, the smallest being just 5.8mb. So, I doubt that's the problem. Not sure what else to try in the meantime.