Hi MMO-Champion!
I just uploaded a Zul'Gurub HC video for all the bosses in there (holy pala pov), I added tips/tactics as well so it's kind of a guide video Enjoy
http://www.youtube.com/watch?v=spmhZXkBfok
There's a bug with a buff that allowed us to 2 shot the 2nd boss so unfortunately no tactics for him