Starting To Get The Hang Of My SLR

I made the switch from a point and shoot (Canon G9) to an slr (Canon 60D) approximately a year ago, and I'm just now feeling like I'm getting a grasp of my new camera's settings. Here's a couple of shots from this weeks diving (feedback welcome):

Not bad at all!

But...

... are your images a little red?

Tim

Not bad at all!

 

But...

 

... are your images a little red?

 

Tim

 

There's a possibility I may have gone a bit overboard with the reds while processing.

Thanks for the heads-up Tim.