Those guys down under come up with some nifty ideas. The guy's wagon is too short inside and on the roof to haul a 4X8 sheet, so he built his own 'articulated' (adjustable) roofrack: http://tions.net/CA256EA900408BD5/vwWWW/house~04~15 Check out his other projects too. I think he's a practical 'green' geek!
