Yhea... I like the texture work... it makes it differetn, but I think the windows have 2 problems... first they distract the attention form the main scene there, and second they don't even look real because they are a little transparent.
Yea, this has improved a lot. The textures and wood grains work well together. I don't really know why he's scratching his head though, it seems like he should be nervous. Maybe have him tugging at his collar trying to get some air, as nervous people do sometimes. looking good!
This is getting very good. I have a problem with your robot in all the versions. The big triangle (actually trapezoid) says "lampshade" to me every time I see it. It looks like something the robot is behind, especially the way his eyes peer over it.