thats a fooking coont colin
i just asked my mate for you who he uses and he recomends a guy called lewis at http://www.ding-goes.co.uk/ there based in livingston but hes mobile and is usually in edinburgh on tuesdays i think.
my mates the bodyshop supervisor for mrm and he says there the best they have ever used for this sort of stuff and also really cheap for the job they do..he said to tell him rocco recomended him if you do call as it may help