Try clicking on one of your files in the LW library and clicking on explore it should open up your shared folder, by default this folder will be in : HDD > Documents and settings > User name > Shared....
If you cannot connect to a file that you want and/or you keep getting the need more sources message and the file had heaps of hosts it's more than likely a fake file...
Have a look at this thread it will give you tips on avoiding these files...
Fake files in search results