Jim and Ruth Keegan are the creators of The Adventures of Two-Gun Bob, which appears in various Dark Horse comic books. They've also illustrated a bunch of prose books and dust jackets. Their work has appeared in several Spectrum annuals, and has been exhibited at The Society of Illustrators in New York.
Here's a preview of the work we're doing for the planned Subterranean Press edition of Grim Lands (no release date yet). This plate is from the story "Old Garfield's Heart." This was painted 12 × 16" in oil on Ampersand Hardbord.
Silently he extended his hand, and I dropped Jim Garfield's heart into it.