@Flipside:
At the moment I use a usual white 'paper' background and some smaller flashes that flash against the roof of the room (see pics). Usually for 1/10 scale cars and buggies I use what we call a 'photo tent' here.
Beside that, the pics are pretty much untouched beside some playing with Levels and Sharpness. Cam is an ageing Canon D60.
Cheers
Seb