I've linked Tonia's stuff before, but you really need to go back and give it another poke around. I've watched her do these. The detail is exquisite. And this is the way her mind words. It's like a ball of yarn, then all of a sudden she just kind of alakazams it and this art appears.
Girl is genius. And one of my best friends. Gawd, I'm such a good friend-picker.