Here's a poster I designed, illustrated and printed for this year's Pittsburgh Indy Comix Exposition. The ToonSeum in Pittsburgh is currently offering some up as rewards for their fundraising campaign. Here's some sketches and process stuff from the poster's creation:
Vintage firecracker reference I collected.
I decided to hand-letter everything:
(I didn't end up using the long-reach stapler). Final art:
There are also some available for sale at my online shoppe.