You can always check out the official site at here
. I've never been able to figure out how to run a backed up DVD with all the options still intact. But I'm running a pretty old version of XBMC that doesn't have the DVD-player built in. Newer versions of XBMC have the DVD playing software integrated with the program itself instead of having to use a separate program. This might help to play backed up DVDs properly? If not, then there's always the burning route, but that kind of defeats the coolness of the whole streaming thing.