This has got to be the first time I've been bugged so much in such a short amount of time. Nobody can use my sprites (except for a few people to whom I already gave permission), and I'm not some kind of slave for anyone to be putting to work.
I generally try to emulate the Gen 4 style, which isn't as perfectly light-sourced as the previous generations. Besides shading what's away from the top left corner, it shades what's lower down and what's farther away, giving a cheap illusion of depth. Of course I don't do everything perfectly, but it's not like I'm shading "wrong" because I'm some kind of n00b.