Linksys 4 Port Router Problem

Hello,
I have a problem here. Ever since I installed this new 4-port Linksys Router for my cable modem, no one on Napster can download from me. All it says when they try to connect is "Waiting" then it times out. How can I fix this problem? Details please. heh I'm new at this router stuff. heh

Below are pictures of the linksys backend and Napster. Someone told me to se tthe forwarding stuff to that, but they still don't work. Is that right? Do I need to do anything else? Same with the Napster pics.

http://timgrube.hypermart.net/forward2.jpg

http://timgrube.hypermart.net/napster1.jpg

http://timgrube.hypermart.net/napster2.jpg

Thanks so much,