Oops, forgot about that part .
I actually really like Darkstar's idea. I second that!
Also, I think different members should be doing different things with the bones. As in an orc might be absentmindedly munching on one, while a troll might be carving one into something else, and a tauren might be... hell, whatever tauren do to bones. Heh.
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How about conceptionally: the pile of bodies, skulls, very grey storm cloud type sky backdrop. SoC banner stuck in the pile somewhere flapping in the breeze with the assorted characters sitting/standing on it/around it.