Find Images
Finding Creative Commons Images to use in Digital Stories
Flickr Storm (a better way to search Flickr)
Flickr search (select "Only search within Creative Commons-licensed content")
Google Images - Advanced Search (select "labeled for reuse" under Usage Rights)
The Ultimate Directory Of Free Image Sources
Take your own photographs!
Be sure to select images that are Large or Extra Large in "landscape" rather than "portrait" orientation.