here are some resources i've found useful for my project
great resources for accessing audiovisual content:
http://freesound.org
http://archive.org (see moving picture archive)
mixing/editing software i've been tinkering with:
http://highc.org/
http://www.neuromixer.com/product-avmixer-lite.php
http://audacity.sourceforge.net/
a couple leads from sol on capturing audiovisual from your computer
http://www.ambrosiasw.com/utilities/snapzprox/ - captures both (free demo)
http://rogueamoeba.com/audiohijack/ - captures audio (free demo)