Anders Lejczak's objects look pretty good - thanks for the link. The Mirage OBJ loads nicely into TG2, but I don't think it has any vertex normals so unfortunately it's not smooth in TG. Here are a couple of renders:
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The surface shader is just a Default Shader using the provided colour texture and with some specularity. I didn't use the Multi Shader, but if I had I would have been able to use a different shader for the canopy. The light sources were positioned in TG using some trial and error. I increased contrast and/or made the images darker outside of TG.
Matt