Then Kim is probably the best which is near you. Many of the larger villages will have a display, but the Kim one will be better, because Kimbolton Fireworks (surprise) organise it. At least, I assume that they still do. It also has the "more interesting backdrop" thing going on. Word of advice: traffic and parking are likely to be nightmarish - get there a long time before it starts. I'm also not sure of the date: if it follows the usual rule it will be on Thursday 6th, but I won't put money on that.