n_dreamer,

Read this thread, it has some tips:
http://www.gnutellaforums.com/showth...download+speed

Try deleting your preferences folder while LW's closed. Instructions here:
http://www.gnutellaforums.com/showth...threadid=36420

Make sure you're not trying to download too much simultaneously (tools > options > downloads, you can re-set the number of simultaneous downloads & apply).

See here for maximising dld/uld success:
http://www.gnutellaforums.com/showth...threadid=17321

and here for configuring LW for best performance:
http://www.gnutellaforums.com/showth...threadid=27036