Download speed depends on a lot of things. Do you have the XP firewall disabled (you shouldn't run 2 firewalls together)?

There are lots of good tips here for getting the best out of LW
http://www.gnutellaforums.com/showth...threadid=27036

You'll find some info here too
http://www.gnutellaforums.com/showth...download+speed

If you're always getting fast speeds which drop a lot, just make sure it's not a problem with your ISP