A mini-comic Austin wrote is up for sale via Gumroad. It's only $1, but you can pay more if you so choose.
It's called 6 Barrel Shotgun, and was illustrated by Logan Faerber, and lettered by David.
A wild action ride starring the antihero Crater Fury and her Combustion Falcon, named Righteous, we see Crater chasing the aliens Kive and Okk, who have been cutting a swathe of destruction across the American west. Give the comic a read to see Crater and Righteous chase after justice.