I used PicMonkey for the first time today (Picnik's replacement) and I LOVED IT! Great features and all free (for now). Check it out if you enjoy playing with your pictures. Here's a picture that I have been dying to take - I saw the pipes a few weeks ago and finally convinced Julia to pose for me. I would love to learn how to crop out the background above her head - just don't have enough time in the day to learn. It's on my to do list!!
Here she is: