If you are using the v332 of Rapidleech that plugin won't work without a change to the downloadclass.php

I have uploaded a working version for the v332 users

File Sonic Download Plugin

Code: 
http://hotfile.com/dl/82333871/bb48413/File_Sonic_Download.rar.html
http://www.filesonic.com/file/31889463
http://www.fileserve.com/file/endyt6g