Blow up blimp-Use homing missiles (A new one always takes its place)
Got someone who was really pissing you off?-When you finally kill'em,
you can continuously blow them up. Keep throwing gas cans and blowing
up the burning body. As long as you keep blowing, the body won't
dissolve.
Second movie screen-In the Drive-In Movie level, look up at the sky
and you'll see a faint image of your screen (don't try blowing it up,
I did)
A safe hiding place-While technically your enemies always know where
you are, I've found a place where your enemies can't get to you. In
the Asylum level, go to the right side of the ship where you unlock
Black/Manslaughter, go into the room where you unlock him. Now blow up
the ramp with a gas can. Now, you can wait until 1 vehicle is left. It
should be quite damaged. Now you can easily kill him/her(NOTE: the
Cage/Warthog building won't work, it's good for a breather but the
others can still get in)