A small pterodactyl decked out in mating regalia performs tumbling aerial acrobatics to impress a mate...who does not seem terribly impressed. The male pterodactyl is restored with inflatable sacs on its face.
I'm going to get around to coloring this at some point.
Air sacs such as the ones featured here certainly aren't implausible.Afterall,a fossilized skeleton of a male frigate bird wouldn't show evidence of his throat sac.
Female: Meh