2 legged mech designs

I had a hankering for some 2 legged mech designing so, I throw some thumbnails down while trying to keep some fun silhouettes going. I think it went down good, I had fun with it.  I'm at a point where I want to take one farther.  So I thought I'd ask you guys.  What mech would you like to see taken to finish?

Floating City Ideation

Here's a few exploratory shots of the same floating city. 

Covered docking bay

This was inspired by a book called The Moon Is A Harsh Mistress.  It got me thinking, "where's a good place to hide a secrete base to launch your escape to leave the planet?"  In a cave of course. :)

Color Thumbs

This week was doing 4 color thumbs. I experimented with the process a bit.

Week 3 Sci-fi / Scale

This weeks assignment was to make a sci-fi image and try to make it have scale. It's still in B&W with a full value range.

Week 2 Class

This week it's all about lighting with curves and perspective (so structures). I played with some atmosphere changes as well.

CGMW Environment Class Week 1

We just started out this week so I haven't gotten any crits yet but I thought I'd post in tandem with the class. This week was do 5 B&W thumbs to see where we are at. So here they are, I'll post updates as they come.