criticism and tips are appreciated

i'm wondering what the yellow line is that is coming over in front of the "mouth" a little bit..
i think if you made that piece end a little sooner that would be better.

Its Helmet [The yellow line to mouth]
I like it
8/10
You should make a set from this

I can't!
It's absolutely amazing, I like it!
9/10
It's well detailed.

Is my first work with the GIMP
I always used the PS