There are plenty of articles on the site Mick, dig around! :) If you spend a while looking at Alexi_Z\'s gallery, it\'s not too difficult to grasp the basic theory. Once you have experimented a bit, it\'s quite intuitive really! :) ...
If you spend a while looking at Alexi_Z\'s gallery, it\'s not too difficult to grasp the basic theory. Once you have experimented a bit, it\'s quite intuitive really!