If you do have a wall in front of the globe, it means you are firewalled which may cause trouble with downloading..
Your problem sounds more like fake files...
This sticky will explain what they are and how to avoid them...
http://www.gnutellaforums.com/downlo...h-results.html
This sticky will give you some tips on searching files..
http://www.gnutellaforums.com/limewi...ind-music.html
You could also try connecting to some new Ultrapeers..
Go to your connections Tab in limewire, if it's not showing up go to Veiw > Show/Hide and make sure the connection tab has a tick next to it...
Then click on the Hosts and remove them and let Limewire search for some more...
If you need some help getting rid of the firewall, could you post these details please...
http://www.gnutellaforums.com/connec...-you-post.html