These are free to download and print! They are PDF files and 4″x6″ in size, the standard size for US Postal Service guidelines. Probably best if you can print them on card stock.
[We retain all rights to the artwork, though. The logo belongs to the podcast, and the other three postcards are all drawn by and property of Jeb Brack. These are free for you to print and use, but not re-host or sell or claim as your own!]