Oh what about BBQ lighter fluid? or do Wombles burn OK?
Won't methanol do? A much cleaner burn I think. 
Methanol works really well as BBQ lighter fluid as those who went to Photoman290's Cornish BBB can testify - we didn't have any lighter fluid so used some of Bobs methanol for the same purpose.
Lovely pretty blue flames until the charcoal starts going then it's just yellow like normal fluid.
Nige, I would be interested in some of those big blue rolls that you tear the middle tube out of then put in a dispenser and pull the 'tail' out of the bottom - I'm sure you know what I mean.
I have one of those dispensers in the workshop so could do with some rolls .
Depending on price I would be up for half a dozen please