It's too small (functionally identical to the new VC Skeleton heads, much smaller than the 5th/6th Ed heads). Unless you wanted to wreath it in greenstuff flames and model the Legion of the Dead.
Cutting off the face of the skull and the front of the SM Helmet would be an option.
Londo: "The Minbari put great emphasis on art, literature and music." Say instead: "They are decadent people, interested only in the pursuit of... of dubious pleasures." It doesn't mean anything, but it scares people every time!