lanscape Composition walkthrough

just something i did a while back, i made a page to show how the image was made.

http://mpan3.homeip.net/blog/images/9done.jpg

i liked it very much both the image and the walktrough, did you used blender to make the final composition with nodes?

actually no(since i need to paint the clouds and move/rotate the moon image), but i am sure it is perfectly capable of blending together 4 images.