Here's my entry designed for the Deep Sea Diver minifig:
Oh no! A leaking oil pipe is threatening LEGO City! Many have tried to stop the leak, but no one has been successful. Itβs up to the Deep Sea Diver stop the leak and save the day!
The Deep Sea Diver goes at the bottom of the vig right at the top of the pipe.
All the photos are viewable at this link.