Visual Development/Graphic Artist Portfolio (advice & critic please)

Hello,

I'm an animation student and my main focus is in Visual Development (Background Design, Character Design, Layouts, Colourscript, Concept Art). And i need you to give me an advice or critic to help me improve my skills and knowledge. Below is the Link:

www.behance.net/jhtampi

Any advice and critic would be appreciated, thanks guys!