I self publish my own comic about a group in the 1930s called the Adventures of the 19XX.
Right now I'm raising funds to reprint my first book. If you contribute to the Kickstarter drive at certain levels you can get sketches of any Indiana Jones character you want and at higher levels you can get full color artwork at any size!
Head over and check it out!
Here is an example of some of the artwork from the series and a Rocketeer piece done by me...