I found this tutorial for gimp on how to make more elaborate signatures.
http://pikaadvance.deviantart.com/art/Gimp-Tutorial-Easy-Sig-69655671
Here's my outcome. I think I did it fairly well for my first try.
http://pikaadvance.deviantart.com/art/Gimp-Tutorial-Easy-Sig-69655671
Here's my outcome. I think I did it fairly well for my first try.