Long time no see. Anyway I've just seen this digital camera advertised and it seems ideal for use on a rib. It is waterproof to 20m and it is also bump proof, both necessary if you are out in your rib and want to get some gret piccys.
It is the 'Sealife ECOshot DC600' and can be seen here: http://www.sealife-cameras.com/cameras/dc600.html
It is a good price for any digital compact, nevermind a truly waterproof one at about £189.00.
No excuses for not having a camera onboard now folks...
Keith (SIB still ready for the occasional nice winter's day) Hart