One of my newest favorite pinup artists over the past few years, is
Armando Huerta. His art is classic pinup in nature but much more "sexualized", and all his ladies quite well endowed. (therefore, I can only post a few of his things here)
Most of his stuff is just straight pinup style, but he's been painting more stuff with "sci-fi" or "fantasy" themed costumes on his girls lately.
He did a version of Wonder Woman with B-movie queen and model Julie Strain that I just love since I'm a comic book fan.
I enjoy a lot of artwork I see in Heavy Metal. They feature a lot of fantasy and sci-fi artists along with their more "adult" art. They used one of his paintings for a cover.
