http://www.LittleWebHut.com
This GIMP tutorial demonstrates how to turn a couple of photos into an image of another world with a starry sky and planets. GIMP version 2.8.0 was used for this video. This is a good tutorial for beginners as well as more advanced users to
Link to rock mountain image
http://www.littlewebhut.com/images/rock.jpg
Link to water image
http://www.littlewebhut.com/images/water.jpg
GIMP website
http://www.gimp.org