Much better than my first signature bro. I would suggest removing the embossed border and add a 2px white border. Also, take a look in the tutorial section and you'll get much better in no time. Good job though bro, keep it up.
Yup, it's actually even better to have no border at all to draw more attention to the renders focal point(s). Also read more tutorials to gain more knowledge.
It is a good first signature, but remove the border and add some effects. Tutorials, are your best friend. That's how many of the people here got good.