Here is a free small, easy to use software to cut off something extra in your picture that you don't like, with out using photoshop etc.
Time to remove the object from your picture, depends on selection area and result is OK for many instance that I tried, especially if you have not much post processing knowledge.
Free download remains alive for another 20 Hours or so.
So if interested check it quick. After all can't go wrong with free!
LINK