Xiangyuan Jie, has been working at the Disney and Fox Feature Animation studios as a background stylist and visual development artist. His screen credits include Mulan, Tarzan, Lilo & Stitch, Brother Bear, Ice Age 2 - The Meltdown.
You can find much more of his visual development work on his blog, including multiple versions of backgrounds, working sketches and color keys.
Xiangyuan Jie's website
and painting blog