hi
well i tryed a few things yesterday and got it working (kinda)
use this iso
http://www.thefunkygibbon.net/realityplayer.rar
and burn it at the slowest speed you can.
just eject the disc at the file manager part of the program and whack in your AVI disc.. works fine, apart from its not as smooth as it is on pc but thats understandable..
as to getting more than one film on a dvd i do not know, i have not ventured into those realms yet. but i would have thought it would be quite easy.. just make a dvd with as many films on it as poss then boot from the above cd and swap with that DVD on the file manager part.. i dont see any reason why that wouldnt work.
might be an option to use ps2gens to make the iso first, i dont know.
hope that helps
gib