The new ipod nano 5th generation video to computer and DVD to ipod?

[Mac]

hey well i got my ipod nano 5th generation the one with the video camera. i have heaps of videos that i have taken with it, but i dont no how to get those videos and put them in my computer. they wont show in my itunes wen i plug it in i dont get it, how do i get those videos and put them on my...