I don't have any ad/marketing graphics on hand for a meetup like that, but if you're trying to build a presentation of some sort, I think these resources are pretty good. Might be able to pull some useful stuff.

nostr:npub14hn6p34vegy4ckeklz8jq93mendym9asw8z2ej87x2wuwf8werasc6a32x has some of the best graphics, so check these out:

https://anilsaidso.gumroad.com/

There are also some good graphics, points, and charts in this Fidelity report:

https://fwc.widen.net/s/fkvbv7ph9k/fidelity-digital-assets---revisiting-persisting-bitcoin-criticisms

If you're looking for quick bullet points refuting various FUD lines, this website is pretty good:

https://safehodl.github.io/failure/

Learn Me A Bitcoin also has some nice beginner graphics/diagrams:

https://learnmeabitcoin.com/beginners/