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The blood looks way too red. Also, if he has been dead long enough for that much snow to be on top of him, I would think the blood would have either frozen, or soaked into his clothing and the surrounding ground. Either way, blood darkens to a very dark red pretty quickly when exposed to the air and elements.
Yes, that is really the most obvious thing. As it is now, it looks like a crimson cloth or cape or something.
You want to make the blood on the figure a dark dark brown, varying the shades, then throwing in deep red (like deep cherry red) moving out, and just a bit of 'brighter' (still not too loud though) red around the outermost edges. As well, a little bit of gloss will go a long way to show a wound that is either fresh or icing over...
These where my helping hands: 
Charles Le Gaulle: super!
