What if you use Smartripper to rip the entire contents and then use
dvdshrink to make it fit to 4.7Gig ?
IMHO Smartripper and
CloneDVD makes an excellent combination. I have had some dvd's (TriGun collection , 7 , 30 minute episodes , per dvd) that could not be shrinked enough by DVDShrink , but CloneDVD could do the job.