downloads don't start always wiating for source or queued also waiting x amount of seconds

In my experience of using LW, sometimes some dnlds will be lucky to start dwnlding after the LW is opened, but generally most don't & often the only way to give them a 'kick-start' is by searching for the resources (ie: doing a search for that file.) Also the more searches you do for a particular file, the chances are you will find sources you didn't have after the 1st search. Waiting for x amount of secs is an auto-query done at intervals (so the gnutella netwk doesn't become flooded with queries & become very slow as a result (that includes slowing down netwks.)