You refer to filesmonster.com. As far as I can see in my jD version, the host isn't supported yet. You can look for yourself :-
Settings -> Plugins & Add-ons -> Hoster
In post #24 (
http://board.jdownloader.org/showpos...9&postcount=24), pspzockerscene says that the plug-in is almost finished.
Simply wait until it's programmed and released.