For the frist sig, its really great, much better then my frist. but one thing really bugging me is how the guy is in the wall, like his body is painted in the wall but his head not >: and is really dark on the borders affecting the ilumination of the signature.
Professional text type? like a font or a style? if is a font you can download many types in this site
http://www.dafont.com/
nway congratulations its pretty good ~