CC Images

Here you can find images licensed under Creative Commons or Public Domain:

• Wikimedia Commons
• Flickr CC Search
• FreeFoto

Public Domain

• http://www.public-domain-photos.com/
• http://publicphoto.org/
• http://www.public-domain-image.com/
• http://www.publicdomainpictures.net/
• http://www.sxc.hu/

Clip Arts

• http://openclipart.org/

Videos

• http://vimeo.com/search
  • Then click "Show Advanced Filters" on the right and select the desired license.

Vimeo

• Water for People: http://vimeo.com/33367219
• Complex systems: a short film: http://vimeo.com/36698682
• Is Sharing Caring? (11:10) http://vimeo.com/41917786
• communication reveals the network of our society: http://vimeo.com/45725031