I would take a good look at a program called "Gimp" This is a very powerful imaging tool that was originally designed for Unix/lunix distributions. It is now available for windows and is completely free of charge. This software is as powerful as Adobe's Photoshop and has an equally steep learning cure. Once mastered it is outstanding. it may be downloaded from the following location. Make sure you download and install the GTK+2 runtime software first...than download gimp and install...here is the lin
www2.arnes.si/~sopjsimo/gimp/stable.html