Creative process! Now there is something  worthy of a science!  Linus Pauling was once asked how do you create such theories to which he replied  "One must endeavour to come up with many ideas — then discard the useless ones."

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

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