I use the software called "Old worn cotton T-shirt." 
Seriously, though, just about any postprocessing software will have this capability. It's more about the ability to accurately crop the picture to remove what you don't want - that's enough of a hassle to make me prefer to use a background I don't mind in the picture, every time.
Seriously, though, just about any postprocessing software will have this capability. It's more about the ability to accurately crop the picture to remove what you don't want - that's enough of a hassle to make me prefer to use a background I don't mind in the picture, every time.



















