Photo editing software?
What you are talking about doing is beyond the scope of the easier to use editing software. If you were talking about editing RAW photos Lightroom is pretty hard to beat. BUt the kind of things you are talking about is more along the lines of Photoshop...good luck figuring it out. Not real sure but I think in order to make changes like you are talking about you are probably going to have to shoot in RAW.....I think...
You may want to check out
Topaz Studio – The Photographer's Editing Toolbox