Today on Jeremy Harmer's blog (I think you all know him) I've come across very amasing stuff which might be helpfull for us all: Pecha Kucha presentations. Basically if you are doing a PK presentation, you have 20 powerpoint slides, each lasting for 20 seconds, no more, no less. The slides change automatically; the presenter has no control over when this happens.
To understand how it works it's better to watch this video:
I think we could discuss that:)
If video doesn't work watch it here http://www.youtube.com/watch?v=wGaCLWaZLI4