I like the colours of the original of the first one - the edited one is a little too pink for me.
The second one I don't see that many obvious differences apart from the cropping, and colour of the dog and tree - but think that one could look better with a different sky.
Was a bit bored so tried to play around with the second one for a few minutes to add another sky.
The quality's obviously not that great as I only spent about 2 minutes on it, and the picture provided is very small - but at least shows you what it could look like with another sky and makes the image a little more interesting.
Also did a little dodging and burning.
http://files.myopera.com/cwaddell27/...61388/aapc.jpg