#1
whats a good size to make movies on a zen vison m thats small but has good quality?
Listen to CKY.
#3
look up the dimensions of the screen, it will most likely give it in pixels as well. If you then make the video at that size it should be fine.
#6
i put small video clips on mine, like 50 000 and under, that are good quality.
It's gonna be a blue day