The green splotch on the right side, along with the splatter brushing, feels incomplete. Extend it over a bit, same on the left side. I like the CD4, though.
simple, good use of space and effects. text is pretty uncreative, but its ok. im digging the grey background effects
I say its a good sig but i doubt you spelled his name right. I'm pretty sure it's: Chamillionaire and not Chamillionare