Good leadership among a community of volunteers starts with respect, grows via friendship, and allows making great things.
http://smallactsmanifesto.org/
http://us.pycon.org/2010/conference/schedule/event/92/
Edit: Just wanted to clarify, this is a document written by some open source coders in Rio de Janiero. I jsut found out about it via pycon and thought it deserved a wider audience.
The Ramblings 
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Sorry, I could not resist 🙂
“Leadership lesson from the dancing guy:” http://www.youtube.com/watch?v=fW8amMCVAJQ
The idea behind the Small Acts Manifesto is to share those principles by giving it away to the global community.
In Rio, we’ve been achieving great results and some of they were reported at PyCon. You can find the video at http://blip.tv/file/3259805.
[]’s!