I'm curious, what are you looking for out of this thread? Right now it's just a wall of stuff, and it makes it hard to even see any of the individual pieces, so you might not get much feedback.
^ what he said. You are just talking to yourself right now. You would benefit more if you stated what you were hoping to get out of this thread (critique etc) and work on making one awesome thing at a time instead of a whole bunch of not awesome stuff that is overwhelming to look at.
Replies
HOWEVER
This should be in sketchbooks not "showcase"
http://polycount.com/categories/digital-sketchbooks
So technically speaking, this is spam-ish.