The music video that Zac is watching is "Thievin' Bastards" from Somerstown, a hip-hop outfit which consisted of the lead actor and the director.
When Fit-Boy is on the fruit machine the numbers 6 5 7 come into view. This is the name of Portsmouth's infamous hooligan crew back when the first train for away games left at 6:57 on a Saturday morning. The cameraman and director couldn't believe their luck when it popped up by complete fluke so Glen made sure it appeared in the final edit.