Trueheat's graphics are good... they'd be even better if the Zulite didn't resemble Geodude from Pokemon, but it's a start
Anyway, I think if Graal has different races, they should have different quests, some for all the races, some for one specific race. Like for the Zulite, there could be special hill tiles that it could literally roll down, gathering speed. At the end of the hill would be a heavy door to a quest, and only a rolling Zulite could break it open.
I also think Zulites could be the strongest race in Graal, although they wouldn't be very agile or fast and not super-duper PKers. Also, they'd be very deliberate creatures, and that would keep them from picking up bows and stuff like that. I'd like to think of them as the "strong, clumsy, deliberate" race
Oh yeah... we could also have race-exlusive special moves that could be triggered by a different button (F, E, somefink like that). Of course, you'd have to go through a race-exlusive quest to obtain the move. For Zulites, the special move could be a defensive roll. With the roll, they'd pound the crap out of bomys and humans, but wouldn't effect Zulites or that other fairy race.
Tell me what you think!