I just put this (above) together... if only I had the artistic skills to create the poster below - which appears to be for a real film but seems reasonably appropriate.
If we could issue every nurse with a machine gun I'm sure the world would be a better place.*
* Not Green Party policy.
Update: due to popular demand (well, one person's suggestion) I have reworked the top poster. One day I'll be rich enough to contract this stuff out to someone who knows what they're doing...