Many divers carry some tools for equipment field repairs.  Gerber will release the "Steady" multi-tool next year.  As you have probably surmised from the photo, it can act as a very portable tripod besides the usual uses: pliers, knife, screwdriver, can and bottle opener.  Soon you can replace a ripped regulator mouthpiece or O-ring, then take a steady group picture with you in it, after.

It's time for the NAUI 2011 "Just Dive" photography contest. 

Send your best, most exciting, funniest and favorite underwater moments.  You could win great prizes and be feature in NAUI's Sources Magazine.  Contest details.

Subal is an Austrian company manufacturing underwater camera housings.  Their new aluminum product made for the Nikon D7000 has an interchangable external viewfinder allowing options of either inline or 30 degree angle of view.  This makes it easier to compose the image while wearing a mask.

You can purchase camera marine housings from these retailers:

 

 

 

Amazon

You may buy submarine housings for various cameras from these retailers:

 

 

 

Amazon

 

Here is a sneak peek into the soon to be release Olympus underwater camera housings for future models E-PL2 (ILC or mirrorless m4/3) and XZ1 (point and shoot).  I hope this time the lens port would be interchangeable, if you remember the previous Olympus released E-PL1 housing had a fixed port which limited the lens options you could bring on a dive. 

New underwater housing for the Sony NEX-5 compact system camera. Depth rated to 300ft/90m, the Aquatica AN-5 housing has an anodised shell, powder coated to a smooth finish that will resist years of extensive use, the company says. All controls are double sealed and every shaft and push button has been manufactured to a mirror smooth. A quick access lever serves to bring the internal flash up and down for easy switching between strobe and ambient light photography.

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Lybia (common names include boxer crabs, boxing crabs and, pom-pom crabs) is a genus of small crabs, including Lybia tesselata and Lybia edmondsoni. They are notable for their mutualism with sea anemones which grow on their claws for defense. In return, the anemones find new places to eat and mate. Boxer crabs use at least three different species of anemones, including Bundeopsis sp. and Triactis producta. The bonding with the anemone is not required for survival, however, and boxer crabs have frequently been known to live without them, sometimes substituting other organisms such as sponges and
corals. (Wiki)