Is there a free program that I could use to matte the photos of my coins? I'm using paint shop pro 6 and google's Picasa2 and I can't find anything to get it to work. All I need is to pretty much make a dang circle. Picasa has nothing like that in there program. PSP6 has a circle feature but I've very inaccurate, inaccurate and you can't move the area.