Adorable, colorful prints for sale at reasonable prices—it's a store in the UK, but shipping rates to the U.S. are fairly cheap! Tons of great ones for kids' rooms.
Habitat Mappa Shower Curtain.#ArgosRoomInspiration
Contemporary Apartment Dining Room
Upside Down Print
Leaf art by CK/CK featured on http://FOXINTHEPINE.COM coloured #iconoclastic #leafs #icon -like
Pink Classic Heart Art Print by Showler and Showler
lollypop / icecream
Activity Village - a site with loads of coloring pages, mazes, printables (holidays, alphabet, learning, history)