My 4th one

My Best one so far :/ Rateeee

It's really wide, try resizing it so the height x width ratio isn't so off

4/10

4/10

Pros:
-Nice colour scheme. Blue and white fit the render.
-Nice effects.

Cons:
-Has no flow. The background flows in many different directions and these directions just don't fit in with the render.
-Lacking depth. It just looks too 2D. I suggest you try using the blur tool. Blur it and erase parts of the blur that are in the foreground. You will need to set the blur to a very low setting and keep on blurring it, erasing less and less until you've achieved a desirable depth.
-Poor light source. The light, judging from the render, should be coming off somewhere from the left. Make the right side a bit darker in some areas.
-Borders usually make things look complete. Add some borders but don't make them too thick. 1 or 2 pixels wide should be enough.

And one last thing. Do not ever stretch a render like that. It makes things look distorted and ruins the sig before you've even started. Keep the image the same size and if you wish to enlargen it, hold down the "shift" button as you do.

You need work but you're not hopeless. Following some tutorials would help greatly (we have a few on this site, in case you didn't know, in the GFX area).