A colleague of mine has a great new set of comprehensive online tutorials that I thought may be of help to you underwater photogs.

The tutorials are written by professional underwater photographer Jason Heller and DivePhotoGuide.com editor Matt Weiss, along with contributions from several world renowned professional and award winning underwater photographers, such as National Geographic photographer David Doubilet, Martin Edge, and Alex Mustard.

Each tutorial includes beautiful underwater photos and equipment set-up shots that illustrate each technique.

Online U/W Photography Tutorials