the one about the gangsters called doug and dinsdale was great, the one with the idiots olympics, the one about the hungarian translation book "my hovercraft is full of eels," all the terry gilliam animations and countless more
http://youtube.com/watch?v=17xNY5Du0NQ
http://youtube.com/watch?v=ByZqx30OvVs
http://youtube.com/watch?v=-YkEyDx-xKE
and h8kurdt already said my favourite part from the movies "a fish a fish a fishy oooooooooooooooh"