If you are lucky then your router is listed on this page

http://www.portforward.com/english/r...outerindex.htm

If it is then press it and choose limewire on next screen, then a guide on how to forward a port for Limewire in your router will display

It's all in there,

Link to set up static IP and the rest of the info needed for the setup.

note: Limewire forwarded port and listening port should be the same.