In Sporeggar there is a quest called: Bring me a Shrubbery. Which is a clear reference to Monty Python and the Holy Grail. The follow-up quest is: Bring me another shrubbery.
[yt]http://www.youtube.com/watch?v=_2qYrW79UZI[/yt]
for those who cannot see it
http://www.youtube.com/watch?v=_2qYrW79UZI
Here's a Youtube video.
Have fun!