Yep, the Pro files sure sound like bait.
Don't worry about the "freeloader" setting--worry about using a file-sharing program and not doing your part by leeching. Just share files you respect.
Any of the files from
www.magnetmix.com are legitimate. Many independent artists hope to have their work appreciated, so do them a favour and share their files. Ask or message Peerless for some names and links.
Other people have put together collections of legitimate files, and the p2p networks help spread them around so they don't get lost.
For example, if you want a high and fairly popular share count, see
http://www.gnutellaforums.com/showth...hare#post76341