There are many threads in this forum regarding ur question pls search...
the software u need to do this is,
1. DVD Decrypter
2. AutoGK
this will RIP and them encode the 4.7GB DVD in to a compress 700MB AVI file... then just use nero to burn the 700MB file as VCD...
and again how u do it, just search the forum... i remeber few threads with detailed answwer....