Good point and sorry as I was not trying to be mean.
All I do for mine is open the picture file in the windows picture viewer, then select the resize option on top, reduce size to 40% of original. Then use , save-as, to save under a different name. That usually works. Any picture editing software should have a resize option that would work also.
Again, sorry Daitan if my previous post was offensive or rude, I was not meaning to.