Who makes these wheels?

[HybridBug]

On page 7 of the 'general' gallery, there is a yellow and green race prepared bug with a big wing on it. Does anybody know who makes the wing and wheels, and who supplies them in the UK or anywhere else? They look a bit big (possibly 20") bit I'm looking for 18". Hopefully, the rims will fit my modified 1303 which uses 968S brakes all around. If not I'll have more modifications to do.

Any help would be greatly appreciated.