Many instructors will disagree with Kreh. Most will show you this
method, and variations of it;

http://www.youtube.com/watch?v=Hjdzc...eature=related

This is the method you need to use in a tube etc, coupled with drift;

http://www.sexyloops.com/advice/drifting.shtml

http://www.google.com/search?q=drift....sexyloops.com

and increasing the translational ( linear, not in an arc), of your
cast.

TL
MC