I love his sword, its obviously not a "normal" blade by any stretch of the imagination. Yet it holds the basic normal shape of a sword. Something you don't see all that often when "unusual" textures of materials are used for swords.
Yes, her hand and his shoulders do seem a bit off, but overall, not a bad piece.
I like it. The only thing i can spot is the girls arm is a bit long(should come to mid thigh) and her hand which should be about as big as the face. Other than that though I love the colors and the weapons they are holding.