Roger, these are fantastic! Another example of how opportunity knocks when you are not looking! Lucky you had your camera with you. I think that #1 and #4 could be improved if you just crop out the arch-shaped shadow at the bottom, I think they distract from the whole image. #7 is fabulous!
Panasonic FZ150, FZ35 and GF1; Nikonos V when underwater
~~Art is in the eye of the camera holder~~