1st sig: 8.0/10. I think it's an abstract. Well, it looks pretty boring, but good. 2nd sig: 8.9/10. Not as boring. It's better than your first.
Ill judge the one u made: Its really good, although its just only the render as bg, try to do more with it. Overall feeling is nice.
Really the only one to comment on is your FFXII piece. And I must say it's a nice piece. Good work dude. Keep it up.
Wow, they were my first, didn't know they were that bad. xD I like your first one but your second is a little chaotic, nice works though.