Was it GIMP software?
http://www.gimp.org/
Here's the thread from a few days ago.
http://www.quiltingboard.com/main-f1...s-t182685.html
Here's the direct link to the tutorial (written by
miholmes) - download the .pdf file here:
http://www.quiltingboard.com/tutoria...t141145-2.html