coming along nicely man, really interesting setting, I do think there is a lot of stuff going on and i'm not sure you need all of it... the moon seems to stand out and take away from your work.
Remember your light source. It appears the sun is in the upper left hand corner of the image, beyond somewhere. But the moon has its shadow on the other side......
Current WIP: <A HREF="https://forum.simplymaya.com/showthread.php?s=&threadid=20529">Feng Zhu Concept: Junk Robot</A>