US fans of hilarious movie, "Tropic Thunder", should rush now to iTunes, which is offering the fake documentary "Rain of Madness", a parody of "Hearts of Darkness", the classic making-of documentary for "Apocalypse Now" for free. That's right, this also hilarious spoof is available now for free from iTunes, though only in the US at present. Across the pond we live in hope - and have to put up with this YouTube clip. Enjoy!