is superior to the American ones.
Missing Splash Art for:
Brand, Jarvan IV, Kennen, Lee Sin, Maokai, Riven, Trundle, and Yorick
You can find a lot of them here:
League of Legends Wikia
I find them all to be very pretty to look at.
DotA 2 - Juggernaut By Kunkka
Artgerm Fan Art of the Lina concept by Valve for DotA 2
Drow Ranger by artgerm.
Windrunner by `Artgerm