This looks like a perfect add in for the Hindi podcast that I hope to do:
wordpress.org/extend/plugins/podpress/

Interesting Yahoo article about a community in Great Barrington, Massachusetts creating a local currency to keep profits in the community. 
news.yahoo.com/s/nm/20070619/lf_nm/usa_economy_berkshares_dc;_ylt=Ak0vyvE42B2veQVuLaanTkHMWM0F