best paint to use for tins

I've tried making a couple of pinhole cameras out of different types of
tins and have a chronic problem-the black paint flakes off and doesnt adhere
well to the inside of the metal tins. Can anyone recommend a better paint?
Currently using Krylon matte black.

Gina

http://home.ix.netcom.com/~ginabell/index.html
Received on Wed Jun 27 12:24:58 2001