How to get Vocaloid PV'S(or videos) on my iPod?

Hello! I need help on this one. I love vocaloid and admire the PV's but please I cant find mp3 video downloads(I want it in the cateragory MOVIES or MUSIC VIDEOS). Many say nico nico douga but unfortunately it's in Japanese and I can't speak or read it.(Yes- I've tried translation devices like bing translator or google-doesn't help) Plz help me! :) URL'S or an explantion might help me and sorry for the bad spelling :) Have a good day