http://img.photobucket.com/albums/v2...DnU/djhero.png
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this has some neat effects, and a really cool render/stock.
things to work on: you have no lighting source, the source of lighting is very apparent on the stock/render, i would definitally add it. text needs alittle blending.
There isn't much going on in this signature, but that's probably because the render[s] take up a lot of the signature space.