I've thought about it, but I don't really consider myself that great of an artist. I probably do things completely the wrong way and I wouldn't know where to begin anyway. I guess I could document my procedure, but I always thought the best way to do that would be to just open the picture up in a Picture editor and go through each step to see how it develops. The only thing I do probably inefficiently is draw things on the spot without sketching or tracing anything before hand. I really don't have much of a plan going on for what I draw in Pictures besides how I'm seeing it in my head. Sometimes this means I have to backtrack and erase stuff I've already drawn. Sometimes I'll copy elements from other backgrounds from Sierra games (a handy feature in Companion!). I've copied trees, bushes, and foreground objects from KQ1SCI and KQ4.
Also, it's dependent on my time, which is limited right now.