Nahh, I dont know how good you are, but this isn't a really good signature..
The texturework is a bit to simple.. imo
Render is a bit boring, you can do much more with the render..
Try this: duplicate your render one time, put the button render at normal 100 color overlay dark gray. put the second render on color dodge 100 mostly it looks really nice!
maybe you can add a tekst at his rightside?
kiu