first, limit your signatures to only 2, very annoying. and its aight for first time. no blending what so ever. www.good-tutorials.com to learn good blending techniques.
border is ok but could be better imo, render could use some (more) blending, and maybe test out gradients orsomething on text evan
Its a good first attempt, just keep on practicing and working on how to blend everything together, because it seems as if you just pushed your mouse and used grunge all over without considering what effect you wanted the overall grunge tech. to have on your sig.