Underwater

Hehe, I love to swim. :) It's so fun. Anyways, I had found a huge list of tutorials for GIMP http://planetrenders.net/forums/index.php?showtopic=56374 <-here
and I used http://www.gimptalk.com/forum/topic/Enguarde-Underwater-Signature-Tutorial-intermediate-advanced-Difficulty-19378-1.html <-this one.
Here's the product:

I recently decided that I'm going to try a bunch of tutorials from that page to get a feel for all the different things I could make.