Here is a collection of tips and tricks used to create some of the artworks you see.
Hopefully some of it will be useful or inspiring or just befuddling to someone out there.
If you are indeed befuddled and would like some unfuddling, you can:
and I'll answer you when I get the chance. :)
Here's the first one on achieving a classical painterly look, using disney's Rapunzel as a momdel.