i need some help in fixing these problems. i used a dvd ripping guide.

http://www.flexion.org/video/DVDConv/DVD2AVI/index.html

but when i go to burn it on nero it says its not compliant cd, and i don't want to rencode it again with nero so i burn it and its works better good. but it is choppy and sound is crap. anyone know how to fix this. I'm using Napa Dav 311 vcd player. could it be the brand of cd-rw's i'm using?