Shouldn't the bottom of the walker still adhere to the laws of light source direction? Right now the light source for that frame seems to be from dead-on, when the light source is actually what? Upper right?
Edit: One of your dear old professionals will have to fix this crap up, because I'm certainly no spriter, but here's a quick shade job to show you what I mean:
Edit: One of your dear old professionals will have to fix this crap up, because I'm certainly no spriter, but here's a quick shade job to show you what I mean: