You are GREAT in this kind of creation, Peter!
Thanks for the link. :))
You told me how to play with GIMP, I tried it but still not good in it and now you show me another new thing! :)))
This program is more difficult to handle, but there is a very useful manual by which you can familiarize with the secrets of Tierazon: http://www.fractalarts.com/ASF/Tutor1.html