Kara Walker, "A Subtlety"

Monet's "Water Lilies" to accompany "Matisse, Too"

Matisse cutouts, to accompany "Matisse, Too"

Rothko Chapel, to accompany "Looking for Each of Us"

David Park, to accompany "Looking for Each of Us"

Giacometti, to acompany "Looking for Each of Us"

Giorgio De Chirico, to accompany "Looking for Each of Us"

Duchamp "Fountain"

Wildflower Mural

Paul Gauguin, Vision After the Sermon (1888)

Winged Victory of Samothrace

School of Athens, by Raphael 1511

The Little Fourteen-Year-Old Dancer by Degas

Berfrois posts a lot of artwork on Twitter. Here's one from today:

Henri de Toulous-Lautrec, "At the Cafe La Mie" (c. 1891)

"By the Seashore" by Renoir 1883

Dream Chaser by Andrea Kowch

Van Meegren forgery of Vermeer

To Accompany David Wojahn's "Self-Portrait Photo of Rimbaud with Folded Arms: Abyssinia, 1883"

Alternate cover for My Beautiful Dark Twisted Fantasy (Gregory Condo)

"Frank O'Hara" (Fairfield Porter)

Kurt Perschke's RedBall Project in Toledo 

The Weeping Woman - Pablo Picasso

1st is "The Singing Butler" by Jack Vettriano, 1992.
2nd is "San Giorgio Maggiore at Dusk" by Claude Monet, 1912.

To Accompany Archaic Torso of Apollo