Dragon Skeleton

I was just craving to draw Dragon bones...now my fingers are stiff!!! And yes, the tail is wonky! lol.
Also, anyone know how I can rid of the white edges when I fill in space please? Coz whenevr I use magic wand, it always leaves white edges, then Ig need to colour over them..very annoyin! Yes, I do use the "hardness" level to its highest :S


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