Rudely Awakened By The Vortigaunts
This is your late-night silly: Mike Rose, of the deliciously lovely IndieGames, spent the time he was supposed to be studying for exams last year making a Parklife spoof in the Half-Life 2 engine. He's only just remembered he did it, and sent it our way That you haven't done this is why you'll never know the fame and glamour that inevitably awaits Mike Rose. It is, of course, below.
If I may venture one small criticism (other than how the singing makes my ears want to cry) it's the complete absence of an "OI!" at the beginning. But apart from that, more of this sort of nonsense.
To compare and contrast, here with an almost frightening disregard for copyright, is Blur's Parklife video: