Guide authored by Brian Fling http://dev.mobi/node/278 need to register
Barbara Ballard’s site http://www.littlespringsdesign.com/
Mobile community http://www.mobilemonday.net/
Examples of Brian’s work:
for iPhone http://app.getleaflets.com
location based services http://www.tipped.co.uk/mobile/
User groups: http://www.mobiledesign.org/