They suck - pulling air through the side air-tunnels rather than it being forced in from the front as it is when you're motoring along...
*approves of Dom's afterburners* Today I have checked in for my Qatar flight. More stuff may happen later, who knows?
Had a surfeit of tomatoes from the raised veggie beds, so made some of this... Roasted Tomato Soup with Puree of Basil and Olive Croutons - Soups - Recipes - from Delia Online and had some for lunch, with a warmed panini. can confirm its very nice!
Kingspan (building insulation - basically polystyrene), stole it off a building site... Florists oasis will do the same job.