Yes, as Mary said, I work with photos I have, after a while you can quickly recognize which ones may be good candidates, (blooms from the center and toward the right side since the ATP logo ends up on the left side, main subject in focus as much as possible). I also have to use the large unedited files instead of my cropped ones.
I use
http://pixlr.com/express/ and the instructions that BookerC1 gave in the link Rick posted above.
