@couto607 That's it, yes. But if you look at the 'Vertex Color' expression, it has four output nodes (R, G, B and A) - one of which you plug into the LERPs Alpha input. Depending on which one you plug into the LERP, it will blend based on the strength of that colour painted onto the mesh. So if you plug in the Red node to…
Could you give me an idea of how I would go about using more than 2 textures? The way I have the blend material set up is with a Lerp, then 1 texture plugged into A, one into B, and a vertex color plugged into the Alpha slot. I'm not too experienced with the materials editor in UDK so I don't know if there are any other…