You could have a couple of you (Lynk
p'haps?) recreate the banter and dialog from the cutscenes from Jedi Outcast with Kyle and Jan.
Or just use pithy quotes (if you can't get legal clearance to use the actual sound clips...) from the soundtracks of various LA games in general.
The LA adventure games would be an almost endless source of these (Sam and Max, Monkey Island, and Grim Fandango could keep you set for years of episodes to come...