I've mentioned one or two of these before, but enjoy these terrific covers for Penguin novels. Links below are to the artists' sites and Amazon:
Jeffrey Brown's cover for Ethan Frome.
Tony Millionaire's cover for Moby-Dick: or, The Whale.
Ted Steam's cover for The Canterbury Tales: A Retelling by Peter Ackroyd.
Tara McPherson's cover for Bridget Jones's Diary: A Novel.
Richard Sala's cover for Great Expectations.
Bert Krak's cover for Money: A Suicide Note.
There are a few more in this gallery. Via these sites.