Ahah! You didn't tell us earlier. lol Yes I also have a D-Link & for my model I am forced to manually port forward. Unless you have a later model than mine, you will also need to manually port forward. Follow the instructions here http://portforward.com/routers.htm & find your model, then after clicking on the link, find LimeWire on the list of programs. Then following the steps carefully starting with setting up a static ip which is most important or else the process won't work.

Don't forget to ensure XP's firewall is configured to allow LW full access.