I went on IMDb to see what references to other movies were made in the first installment of Lord of the Rings, and Braindead and Bad Taste were listed. I seem to have missed these references. See for yourself.
http://us.imdb.com/Mlinks?0120737
I think people are just throwing random stuff in..I mean "teletubbies"?!?!
What worries me more is....
spoofed in:
Scary Movie 3: Episode I - Lord of the Brooms (2003)
Wait a minuite? They're making a 3rd Scary Movie!?
Oh dear God, NOOOOOOOOOOOOOOO!!!!!
(Rolls for Sanity, fails, drops to the ground gibbering "Eah! Eah! Shub-Niggurath!")