If you dont know what a deomtivational poster is, its like a motivational poster (the kitten hanging on a branch and it says 'hang in there') but opposite. i'm not really a good explanationer, but just google or wiki it, they should have good explanations.
These posters consist of a headline a caption below the headline and a picture above the headline. If you surf the net pretty much anywhere, there are demotivational posters. For Example
they will win
Step 1: Getting started
- A sense of humour
- And if you find this without the use of a computer, you'll need a computer.
- you'll need to find a picture and make a funny for it, or vice versa.