Ask and you shall receive Dunk!
Gimp is free, you can download it here www.gimp.org
Photoshop Express works too https://www.photoshop.com/express/landing.html
Pixia is another powerful free graphics program http://park18.wakwak.com/~pixia/download.htm
So there ya go, no more excuses.....Dunkel I have seen some of your sigs, they are good!