Here are some links to get you started:

The PowerPoint:

1picture1000 words.ppt 

Photo how to sites:

http://www.diyphotography.net/

http://www.takegreatpictures.com/

http://digital-photography-school.com/blog/

http://www.digicamhelp.com/index.php (may not work)

Lighting:

http://strobist.blogspot.com/2006/03/lighting-101.html

Share sites:

http://www.flickr.com/

http://picasaweb.google.com

http://www.k12hsn.org/edzone/

Specifically for working with students

http://www.kingms.org/apps/classes/show_assignment.jsp?REC_ID=90165&showAll=true