I actually almost bumped the manta ray thread to post this, since it involves photographers taking pictures of manta rays in Hawaii. Then I realized that this was actually the thread I wanted to post in, pretty weird.
Regardless, I know at least it's Ari's cup of tea.
http://www.youtube.com/watch?v=CCXx2bNk6UA&feature=player_embedded
Photographers are approached by a dolphin in distress, and upon further inspection find a hook and fishing line entwined on one of its pectoral fins. Video of the dolphin encounter and subsequent "rescue".