no probs, btw MeechMuncher did you notice that the cam files are 640x240, if you double the height you get 640x480, the games resoultion, so I guess you're right that *everything" is doubled in height
I think this is because of the psx's frame buffer, it would have been 640x240 for buffers 1 & 2, but would have looked like 320x240 (so you could make the width smaller but it would reduce the quality even more)
also if you press tab with the cheat on it seems to change the streching method if you look closely