Show the most recent product listings, or a choice selection. I was thinking how much artisans would want to show off their wares, and it would seem like a good fit.
Lexicon seems straightforward enough:
https://ufos.microcosm.blue/collection/?nsid=app.openmkt.marketplace.listing
Maybe have a tile for a single product with a carousel of images https://openmkt.app/listing/{aturl}, and then another tile with store listings https://openmkt.app/store/{did}