By the way, having checked out that video, this one was featured underneath it. Now, if only she were cooking me curry and inviting me over her house to change light bulbs when she's got nothing on. It'd make a pleasent change from my freaky neighbour that's for sure.
paint is not too combustible after it drys and all of those hardeners have evaporated out, well if it is anything like bondo that is what happens. for bondo at least it is the fumes that are combustible.
If I remember correctly, it didn't light a candle it lit the tip of a match. Only a little concentrated heat is required to do the latter.
If it did the former, then it's even more of a hoax than I thought!