Well since most of the sources do not work for you, the last option is to get it off a torrent website. Search for "Bitcomet" program as it will allow you to download torrent files. (If your wondering what a torrent and a torrent site are, it is a small file that enables you to download what it is you want from multiple people, very similar to a P2P sharing program). I found the mod on mininova, a good Torrent site, here is the link
http://www.mininova.org/search/?search=Grey+Wolves Just click on the name of the file, and allow Bitcomet to download it. Then all you can do is wait until its done. Hope this helps.