Thanks Ben, that does work. Will it be impossible to use vertex colors with say, the toon shader? (I think Nintendo did this for Zelda WW) Or am I forced in having a diffuse with the flat coloring/style I want.
Sorry, I haven't looked into any of the Unity toon shaders yet. I'm pretty sure almost anything is possible with a bit of tinkering about with the shader code. Fortunately there are a couple of node based shader editors for Unity 3 which should make that a whole lot easier. ShaderFusion by commander_keen. and Unity 3 Node…