Blending and smudging need some work text, lighting as well. I would also play around with the contrast to try to add some depth. it's a working progress you get better i like ur default sig lol
another thing mate try to add a focal point. something u want the ppl's eyes to be drawn too atm the sig is too busy. the best way to tackle sigs is master one aspect of the sig at a time don't try and make a master piece ur first time (not saying ur trying too) just speaking aloud.