...oh boy, it annoys me to no end that the insist on making him a golden-blond/carbon copy of Luke in appearance, even when the books flat-out state that a) he has flame-red/red-gold/whatever Mara's hair color is, and b) he's supposed to look like his mother, only with blue eyes.
The best we've got is this image from The Essential Atlas, but that's strawberry-blond, not red >:(
Not much good fan-art out there either, which is a shame because he's by far my favorite SW character.