Felt-tip pens and photoshop, except where noted.
An old pic I found while upload, it's actually not too bad:
Some vehicles I drew while rp'ing, to try out some markers:
I've been playing too much GUNZ:
Here's one for Solenna, thanks for the inspiration:
Played around with filtering the colours and keeping the pencilwork:
And finally, a coop with the GTE, he did the linework, colours by me: