Love the skin Oboe, the lighting effects look spot on to me.
It's always difficult to get an acceptable NMF look in AH, given the way the reflections work in the game. Things I do to the diffuse map to negate the grey-painted look a bit include making adjacent metal panels slightly different shades of grey, adding large blurred white highlighted areas across the thickest part of the upper wing and horizontal tail surfaces, as well as giving all the upper surfaces of the aircraft a blue tint. The trick with all these effects is to keep them subtle though, you shouldn't see them unless you know they are there.