I have an ATI AIW 8500DV.
1) Unfortunately, I don't have FM in this unit.
2) Need more information on this. I have a Xenarc. Are you hooking up the composite-out of the AIW to the Lilliput or thru the VGA?
As for FM antennas, best thing to do is if your car has an FM antenna, to hack it up and put it into the AIW.