Hi Andrei, can you please post the 3DM model file with your objects in it? I would really need to look at that to give you any answers on what might be wrong, I can't tell things like the UV structure of your base plane by just looking at your screenshots.

You may be running into the same issue described here though:
http://moi3d.com/forum/index.php?webtag=MOI&msg=6453.2

- Michael