No, it's not worth it.
Most "talented" people are either lazy or they don't really give a crap about helping this game.
If you want to do any GFX work, do it for the sake of the community not for huge rewards. If you really do a good job and you continue with the good work you might be rewarded, but not before.
As Allie said, the translators team was a total failure, most people didn't even knew Korean, but they signed up for the Staff Set.