I'd make her make me a sandwhich. Then blow me while I enjoyed it. Forcing her to gag as I take a bite would make my dick twitch pretty hard in her throat.
Probably just keep her naked like you do. Would definitely use her tits to wipe my hands or dick off on anytime they had something on them.
I'd leave her naked in my hottub with some friends just to see how slutty she gets.
Keeping her covered in cum would be fun.