I know a number you are also on Twitter so you may see the occasional project between schools being talked about.
A really successful one before the holidays was "Blog the World Cup" and some more are starting to appear.
Here is the first one that might interest your schools ...
Gunpowder, Tweeting and Plot #gtp2010 « C h r i s L e a c h :
Have a read of Chris' blog and pass it on to teachers who may be interested.