Have you heard of the 'Golden Section' as a way of composing shots? Ad astra per aspera
Rule of thirds, the Golden Section and diagonal rule. Ad astra per aspera
I haven't had a chance to make it to a lab yet.
Actually, at the moment I"m playing the infant version of the movie Speed - if I stop moving for too long he'll start sceaming - so I'm alternating comments between the laptop in the sitting room and the desktop in the attic.