>>936541442The ending was clearly meant to set up the next film. I think that Jimmy will be like a father figure for Spike in the next film. There's also some comparison to be made between Spike and Jimmy. Spike has issues with his father, just as Jimmy was failed by his own. They'll probably see eye-to-eye on a lot to begin with, but Jimmy is not stable, so Spike will likely be in over his head. Jimmy himself is also a reference to Jimmy Savile.
Overall, I enjoyed most of the film, but I agree with
>>936541097 that it was too artsy for it's own good. I can't say that I'm excited to see what comes next, but I will likely go see the next films...