Pinterest. So many choices!
I ended up with these lovely hand-pressed postcards from Philip Gresham on Etsy. I wanted something that would be a bit of a souvenir—something for the nature table, or fridge, or pinboard.
I had dreams of putting them through the printer, but my printer couldn't take it. I ended up handwriting all of the cards. Which was a nice touch, though a little more effort than I'd planned for.