DVD to IPOD?

i HAVE NO problem loading to DVDX files. when I open my files and attempt to “drag and drop” , I see my IPOD (80 GIG) SYCRONIZING , BUT I DO NOT SEE IT LISTED . iF i GO TO MY “COMPUTER” AND SEARCH MY ipod , I see the files THERE , BUT HOW DO i GET THEM TO PLAY? ANY IDEAS?:confused:
THANX, LOTUSEKER.