The loser recreates two specific photos from ESPN's Body Issue archive, athletic poses, strategic props, professional lighting optional but encouraged, and the results are distributed league-wide. The reference photos are chosen by vote for maximum degree of difficulty. Tasteful is a spectrum.
Heavy sentence
Severity 4 punishments are the ones people talk about for years, which is exactly why they need full league buy-in before week one. Put it in the constitution, set the deadline, and agree on proof requirements up front.