not sure if there is anything here, but at first glance they look like faces and one looks like a Vex holding a skull.
few more images at link
[url]http://s902.photobucket.com/user/Jovian_Dior_T/slideshow/Destiny[/url]
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Lay off the shrooms
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A rock. Nice.
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Probably just a texture thing. The fist picture doesn't work btw