Warlord of Mars titles. Among my favorite cover artists is Joe Jusko, who has done some amazing pieces on a number of variant issues. There's really two reasons I love his work. The first being that each piece does an excellent job at conveying a story in the covers. This is made even more apparent when you look at how some of Dynamite's other covers have focused on, ahem, "other" aspects and have actually led to endangering their ability to publish Burroughs' stories. So I really do appreciate that the cheescake factor isn't the primary focus (I could write a seriously long rant about how much I hate that).
Jusko's are quite the opposite, actually. When it comes to composition, both within the scene as a whole, and the figure of each character, he's got incredible technical skill. One of my favorite covers is this one of Dejah before a Thark Jeddak who's posed as if he truly is one physique built on top of another. It made me do a double-take the first time I saw it. The Thark anatomy and posture appears totally natural the way one set of limbs casually rests on top of the other, and is still articulating a dynamic posture.
Jusko is master of the posed "hero shot" covers like with issue #1 of Warlord of Mars (above), and equally--if not better--at putting characters into fantastic and believable action scenes...
This last one below is great just for shear muscle-bound barbarism. It's a great action cover and I love the lavish colors.
I'd be remiss if I didn't mention that Jusko's style is indicative of certain era during which I grew up (the 80s!) and had a huge influence on my view of fantasy and sci-fi artwork. At least if seems that way to me. It just "feels" like a hearty, swashbuckling-good time...on another planet!