It might just be my monitor, but I really can't see many of lines at all making it really difficult to even tell what this image is. It's also, very blindingly white.
Maybe try to scan again?
I agree with Aphotic's post, make the lines a bit clearer. I can see the dragon in the picture, but it's very faint.
As for the design itself, I suggest you study anatomy and perspective and keep practicing.
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