I textured my UVs using Photoshop as I feel confident using the program and it seemed easier than just painting straight onto it in mudbox. I used brushes to get lots of different effects for each object..
Once all my UVs were textured I simply applied the textures to the model. First applying a Lambert or Blinn ( for the shiny objects)
Click material attributes
and click the checkered box next to colour. Now select file in this menu. Then locate the file
and the texture should load onto the model.
