I don't think so, Watch some videos on Youtube Dominic.
As someone who regularly uses PS (CS6) for graphic design (and is asked to teach others the basics now and then), I can say that being able to make a minimalist signature like that on your first day of using PS is good progress. The nice touch about the transparent background is that the style remains intact, regardless of how the forum theme will change. (different background colors)
For Dominic, I would suggest improvising with different fonts. The only criticism I can say for your signature is that it could be closer to something that says "italian
mafia" at just one look (even without reading the text), and that you might want to position the letters (or the border) so that the outer glow is not cut off abruptly at the border of the image. Other than that, it is nice.