It's so much fun, I love it too! There is something very free and liberating and also magic about making a photograph with no lens. The light goes directly onto the paper--- magic!!
Originally Posted by marciofs
You may want to check out http://www.f295.org/main/forum/. It is a great forum with a community of people who love pinhole photography.
Have lots of fun... I predict you will be building one even bigger soon!