Complex sentence: Glasswerk.co.uk made a competion where people could make there own video for the song with there classmates or collegues and get "£1000 worth of XmasCa $h In Your Pocket", they also called the song "the official credit crunch theme tune".
Split into simpler sentences: Glasswerk.co.uk made a competion where people could make their own video for the song with their classmates or collegues and get "£1000 worth of Xmas Cash In Your Pocket". They also called the song "the official credit crunch theme tune".