PyCon
Leading by Example
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.