• iLife Tutorials (iPhoto, Garage Band, iMovie, iDVD, etc.)
• creative commons -- 

• voice thread --
• WordPress hacks --

...images

• Still images: UofMN images library, stock.xchnge photo share, flickr photo share

• blurb.com --book making software
• GIMP photo editing tricks (in place of photoshop)
• The Sophie Reader -- rich media reader open software
• Slide photo display options

• mpeg streamclip to extract youtube videos: http://www.squared5.com/ (go to File > URL > [copy and paste YouTube site])
  

...sound

• Royalty Free Orchestral Music --

• opsound -- "gift economy," creative commons licensed music open to share with attribution

• free sound project --

• podfeed.net -- podcast storage online --