You can try direct connecting. Go to the search page of LW & you'll see a direct connect tab just above the connection status bars. Click on that, it should show you the IP address you need to give people, so they can connect with you. If you don't see the IP details, means you're firewalled. If a person's firewalled, direct connect won't work.
Having chat enabled makes things easier, too.

Check the link below for more info.
http://www.gnutellaforums.com/showpo...63&postcount=3

If you see the firewall icon (brick wall in front of the blue globe), go through the sticky below for advice about fixing things
Connection problems? Check here first!