Critique: Cover Concepts and forgotten designs

This past week I was on the design group for the rap battle cover. It was a tricky little number this time around since we didn't have any text, photos or information for our first time around. I did three concepts, which I'm not completely satisfied with, and will be working on revising two and hopefully I'll be able to pull off what I want. I'm also working on an illustration for my department page this weekend and hoping my practice in Illustrator pays off.

I'm also including a few forgotten designs that I didn't realize I had missed putting up over the weeks or I didn't have the jpgs yet. So here are some of the designs I've missed: