String vFiles[] = new String[]{
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov",
  "station.mov",  "street.mov",  "station.mov",  "street.mov"
};
BVideo vPlaying;
void setup()
{
  size(200, 200);
  background(0);
  vPlaying = loadVideo(vFiles[0]);
  vPlaying.play();
}
void loop() {
  if(keyPressed) {
    if (key == DOWN) {
 vPlaying.stop();
 String randomFile = vFiles[(int)random(vFiles.length-1)];
 vPlaying = loadVideo(randomFile);
 vPlaying.play();
    }
  }
 image(vPlaying, 0, 0);
}