From the PhotoShopSupport.com blog:
Here's a free video tutorial from lynda.com — Setting Up Shop - Preferences, Color Settings, And Shortcuts — from the series Photoshop CS4 One-on-One: Fundamentals. Deke McClelland examines the essential capabilities of the application, from correcting color to retouching portraits. He also covers navigation, resolution, cropping, selecting, printing, and making web graphics. This course goes beyond basic tips and tricks and provides the in-depth information and real-world context needed by serious students who want to master the software.
View the full post & get the link to the video:
http://www.photoshopsupport.com/photoshop-blog/10/cs5-03/video-tutorial-setting-preferences.html