Hmm
Well... it wasn't very good, and not original. All you did was take clips from movies and played them in a row, while at the same time playing a pre-apocalypse song, which got annoying fast. To make matters worse, the images were so pixelated that I couldn't see what they were. I simply saw a blurry screen with flashes of light, the only reason I knew what I was looking at was because I kept trying to find a mushroom cloud. It is pretty bad when people can't tell if they are seeing a sign of death... or if their screen is dirty.
This flash has potential, perhaps you could draw something? Possibly show the destruction, then in between clips animate a crying man... or an old holocaust-looking woman collapsing from grief. I did enjoy this movie enough to simply watch it, and I paid enough attention to know that it could be a really great flash movie. I hope that you take my considerations into mind, afterall... this has no originality, you just stole some clips from movies (or movie) and added music, not exactly a good flash.
I would recommend this flash to somebody if they have nothing to do... which is every person on the web. Afterall, it is up to them to decide if they like this.