You don't need anything so fancy

This is a great example of a picture that can be retouched with just the clone brush.
I've done a quick and dirty retouch of it to show what you can do. I didn't go back and clean up the artifacts I left like I would if this was a real project I was working on.
But this will give you an idea of what you can do

All I did was use the cloning tool. If I wanted to clean it up more, I would then go back over the areas that have some pattern artifacts and use the healing brush to clean up those areas.
- Noel