Don't take it personally, most of the people posting on Sythe are idiots and they don't read sticky's.
Next to this most people can't give decent Constructive Critism.
It would work for a simple signature for advertising stuff on forums.
But in the design you could make it look a little more smooth and professional.
Try to stay away from the default star brush because it doesn't look to good.
Also the fractals in the background look a little Low quality and don't really fit the image.