Help with Aperture and Shutter Speed?

Hi there, I have had an increasing number of friends asking me for some basic help in using their cameras more effectively. One of the most important things to understand is the relationship between APERTURE and SHUTTER SPEED and how both effect the image you creat.[vimeo 19603662 w=400 h=225]<p><a href="">7. Aperture</a> from <a href="">--jL</a> on <a href="">Vimeo</a>.</p>