Here is a straight up balls to the walls fun map. It is only made to goof off in so dont even bother if your trying to play seriously. Check out that ramp:O kick ass!
Here is a first effort from an up and coming mapmaker, for a first effort i was blown away at the level to detail that everything has. I would keep my eye on this guy as i think even better maps are
Here is a kick mappack, yes thats right the creator has put 2 diffrent versions in the zip, one for high end gfx card users and one for normal peeps that dont have the resources for the fancy smancy