welcome to the forums
here is some sites of some.. alt codes:
http://www.tedmontgomery.com/tutorial/ALTchrc.html
http://groups.msn.com/TamsPSPPlayground/yourwebpage1.msnw
http://groups.msn.com/BestMsnNames/altcodes.msnw
search google there's lots you can find there
and i dunno if they're made custom to each font O.o