You will need to set up a static ip for port forwarding to work! See the link at port forward.com about how to do that (on 1st line of forwarding instructions.) Also see
http://www.gnutellaforums.com/showth...163#post113163 for other things you should do such as configure your sygate firewall & force ip. Also make sure your Java is up to date:
http://www.limewire.com/english/cont...radejava.shtml