More information on using images can be gained from:
You might find some useful images at:
http://openphoto.net/ – a moderated photo community with over 3000 Creative Commons licensed photos in various categories
http://photo.beholdsearch.com/search.jsp – search for free to use images
http://www.flickr.com – online photo album – Creative Commons licensed material can be accessed via the main site, or through a dedicated portal at:
http://www.pictureaustralia.org – Australian themed images, some of which are Creative Commons licensed. Includes the following Flickr groups:
People, places and events - http://www.flickr.com/groups/83633840@N00/
Try the quiz to see how ready you are to include images.