Your camera is only as good as the seal
What turns your camera into a doorstop? Water. And it will be your fault.

• What you need to know about care and maintenance of O-rings before you dive
• Why you need be obsessive about stains, scratches, and debris on the lens port
• The rinse bucket. Be cautious, be very cautious

The principles of light underwater
Shooting underwater is different from shooting on land. Far more different than the obvious.

• The strange way light behaves underwater and how that affects your images
• Horizontal and vertical color absorption. Refraction. Reflection. Particulate

How to select a video system
Consumer and professional video systems for videophiles every skill, interest level and budget. An overview of:

• Features and benefits that set the manufacturers apart
• Button basic. What the dials, buttons, and levers do
• Accessory lights. Gotta have them
• Accessory lenses. Gotta have them, too

How to select a non-linear editing system
Consumer and semi-professional video editing systems for both Macintosh and PC users. An overview of:

• Key differences between MACs and PCs
• Hardware requirements and extras that help
• Which NLE to use on each platform
• Output Options -- DVD, VHS, DV Tape

Tips, tricks, and common sense for top-notch shooting
Start with steady. Steady separates the newbies from the pros

• Buoyancy control. Your job
• Electronic stabilization. Comes with the camera
• WIF. They make the image
• Filters. The why and when
• Get close
• Camera angles
• Don't zoom. Swim
• To pan or not to pan
• Get closer
• The 7 deadly camera sins

But will your friends watch it?
You can shoot high-resolution images of extraordinary subjects but no one will want to watch it if it's BORING

• Script it. Why you should plan ahead
• Edit it.
• The 3Cs of shooting to edit: coverage, continuity, cutability
• Software. Choices for everyone
• Set to music. And I don't mean Enya
• Final Tip: Keep it short. 10 minutes is good. 8 minutes is better!