I have mentioned elsewhere that I think Adam Hughes might be my favorite artist for Wonder Woman. He also does a very awesome Zatanna.
This might one of his most recognized versions of Zee.
And this one,
And let us not forget this awesome piece of all the DC women.
He keeps his Deviant Art page updated as well and you can visit his Zatanna gallery here, http://adamhughes.deviantart.com/gallery/27635250