Witness: www.startribune.com/witness
Voices for the Land: www.startribune.com/voices
Daily slide shows: www.startribune.com/stories/319
For learning Flash, www.visualedge.org has downloadable template for photo and audio; just click on "lessons." There's also a great article there on audio called "Sound in the story," along with some other helpful stuff.
A good audio site is transom.org. The Tools section is really useful.
DV.com (requires registration) has a number of good articles on shooting and compressing video.
You can find other helpful links on Regina's Web site: http://home.comcast.net/~regina.mccombs/