Samurai Champloo is just one of the long list of tv shows (it's on my Netflix list!) I've been meaning to watch. Created by the same director of Cowboy Bebop, it's a wild and energetic comedy/action/samurai/historical(?) anime, infused with hip-hop and rap.
For any who's interested you can view production art from this fansite and this french fansite. Not only do they have some neat rough key animation art, there are model sheets of characters and their weapons too.