Cool collage John... What did you shoot the coral with? Did you use underwater housing or a dedicated camera?
@Calams... Something soothing about the composition, and I'm not sure if it's because there's really no particular subject in focus. I wonder how it would strike me were either the rocks or the person in focus. Perhaps that's the point? ha.
@inoob... .love it. Very nice B&W conversion and great expressions on their faces.. good capture.
@Sanman: I really enjoy the muted tones, but I'd play with the levels a bit more and try to give the sky just a bit of punch.. Cute subject.
Hooter... The foreground is messing up a lovely composition. Unfortunately, not sure if cropping will help because then you'd kill an integral part of the reflections. This is where cloning would really save the day! Apart from that, it's a bit underexposed, and there's too much detail lost in shadows. I don't use iPhoto, but see if there's a way to enhance the shadows and if possible, raise exposure from the top of the treeline, towards the beginning of the water's reflection.
If you have the ability to shoot RAW files, cleaning and adjusting would be no problem. I'd also have used a wider angle lens for such a shot. Two tips, if you don't mind: Wide angle (or totally un-zoomed if it's a PnS camera with a zoom lens) lenses for a landscape shot are the best way to go because you can always crop a bit for composition later. *though never go crazy with cropping because it can ruin your chances of printing at a good resolution* and two: If you're using manual exposure mode, always over expose a bit, rather than under expose. It's easier to bring levels down in post processing than it is to bring them up.
Oh, and if you're shooting with an DSLR, having an ND/Graduated filter works wonders for such shots. Saves you the trouble of having to use a tool like Lightroom's graduated filter.
Doug