The best advice is to try everything different settings etc, and see what they look like you will not be wasting film so you can experimant You are allready making great images look after at the data you will get exposure settings etc on the ones that work the best

Danny O'Byrne  http://www.digitalartzone.co.uk/

"All the technique in the world doesn't compensate for the inability to notice" Eliott Erwitt