creator of myscriptfont.com here. myscriptfont.com is an older version. You can find a better app under paintfont.com.
Also, this is just a minor suggestion, but I would love to be able to map a non-standard character (such as the copyright symbol) to my signature.
http://stackoverflow.com/questions/4071117/uri-starting-with...
1. Get rid of weird Select/Upload tabs. Put Upload button at the end of the page.
2. Much less instructions, nobody reads them.
3. Make character table hidden by default (with an option to show it).
4. Change "Create template(s)" button to "Download Template".