I've been reading "Drawing on the Right Side of the Brain"

I remember reading Drawing on the Right Side of the Brain when I was in Junior High, but I don't really remember how much drawing I did as a result.  But it insired to try a quick drawing, so I picked up the Ford Edge mailer I got today:

So I probably need to work on the perspective a bit, but at least I remember some of the things about "switching to R-mode".  Maybe I should try "switching to R-mode" more often...