Toon/Cel Shading (Pokémon X/Y Style?)

[alexmach1]

if you need more control over how the lighting works, you can use a standard material with a falloff map in the diffuse with these settings:

and in the falloff map:

to get this:


each point on the line affects how the map is distributed along the surface, so you can adjust them to your liking. for example, if you want the shadows to be smoother, you can move the points further away, like this:

to end up with this:


and for the black outline, you can use the hacky face-extrude-invert commonly used for cel-shaded things:


here's the file I used, without the textures.
dropbox