And I'll post it here because everyone needs to see what I'm critiquing.
Well, first off, you don't need to fit Samus all the way into the sig. She looks disproportionate, and its ok if her legs or whatever are cut off.
I'm loving the blending and the colors, although they are a bit choppy, it can be smoothed out more. Also, there is no lighting anywhere. Notice there is light reflecting on top of her suit? There needs to be a light source coming from above her.
Parts of the background are very pixilated, so I'd blend those over.
Not bad though! Use my suggestions and post it again. ^_^