An ex-colleague of mine has had the following bright idea:
The idea being that you can raise money for charity doing a little bit of something every day rather than a big LeJOG-type thing. Like cycling to work, for example.
Anyway he's looking for votes for some kickstarting funding so if you think it sounds like a good idea you can give it some support here http://spogo.ideascale.com/a/dtd/A-Penny-Per-Mile-making-every-mile-count/248557-19325