Upload & Sell: Off
This feels a bit oversharpened to me. I'd consider being a bit more selective. A mask in photoshop might work, as there are large fields of green that could immediately be masked out. And lightrooms mask tool is actually pretty good given that it autodetects edges as you brush stuff. and the brush can do clone or heal as well, which would take care of that sensor spot.
Got a RAW file I could look at? Also, I've been considering this for a while, just never had the time: Would people be interested in something like a UStream where I'd just play with photoshop on a file that was audience submitted? I'm noone special when it comes to Photoshop, but I've been using it long enough to show some basics. Same for LR.
Just some thoughts.