http://rapidshare.com/files/3762170/patch-9.mpq.html
Zone into naxx with this file (recommend to have slowfall before zoning in)
Head to the snowy mountain east of where you just fell off, use dark portals or cheat engine to get over.
Once over, head to here:
http://img463.imageshack.us/img463/8425/stopherefb0.jpg
To the left is kelthuzads lair, and to the right is sapphirons, you can jump into either.
http://img397.imageshack.us/img397/1...pphironrn5.jpg
http://img463.imageshack.us/img463/2...lthuzadhn7.jpg
http://img397.imageshack.us/img397/1355/zomgddss6.jpg
http://img58.imageshack.us/img58/7291/liveservertz7.jpg
Enjoy!