Here are some words to filter, incase you want to give that a go. If you use the audio search there is no need for the Illegal and pron list.

http://www.gnutellaforums.com/showpo...49&postcount=3

It will not remove all spam, but it helps a bit.

Also have a look at the "How to find music" thread in this forum.

When not triggering spam in a search but very few results that you want show up, it often helps to right-click on the song name in the search, and use get more results a few times.
(something that hasn't been added to the guide yet, but works quite well)