Shootin flinters is easy, you put a cap in the pan under some powder, you hit the cap with a flint, and the powder goes off. You grab some of the flame and stick it through the little hole inna side of the barrel. It'd be much easier to light tiny matches and jus stick em in the little hole though.
I tried a Penn rifle once but couldn't get my face low enough to see the sights. I don't think I could ever shoot one.
C F