I'm not really sure how i did it... being new to all this limewire ****... i set my preferences to open downloaded files into itunes but as i said,, it didn't always work.  I'm using 0S9.2 and the free version of limewire.  sorry i'm not any help.  you can email me directly if you want at 
sixmoremiles@earthlink.net if you want to ask any more questions. 
chappie