There isn't much information about LaDuke on the Internet. A snippet is here, and a brief interview is here (scroll down). Read them to get a notion of where (he says) he's coming from.
A number of images of his paintings can be found in this Dieselpunk link. A few others are below:
The airplane is a Gee Bee racer from the early 1930s. We'll be seeing more of it.
LaDuke, like the composer Jacques Offenbach, does not hesitate to recycle his own material.