Ratatouille.jpg
  (c) bwhistler
  http://www.flickr.com/photos/33160972@N04/3917587228/

Prince's Street, Hull - CC BY 2.0
  (c) dhwright
  http://www.flickr.com/photos/dhwright/4269290905/

BUSINESS_barnraising.png - CC BY SA 3.0
  (c) opensource.com
  http://opensource.com/sites/default/files/imagecache/image-full-size/images/business/BUSINESS_barnraising.png

buskers_jam.png - CC BY 2.0
  (c) annrkiszt 
  http://www.flickr.com/photos/annrkiszt/3652640095/

grateful_dead_concert.jpg - CC BY SA 2.0
  (c) toddwickersty
  http://www.flickr.com/photos/toddwickersty/2143459007/  

BUSINESS_tomsawyer2.png - CC BY SA 3.0
  (c) opensource.com
  http://opensource.com/sites/default/files/imagecache/image-full-size/images/business/BUSINESS_tomsawyer2.png

Exploratorium image - All rights reserved
  (c) The Exploratorium

audience_sharing.jpg (yogibogeynyc 12-6-2008 6-23-01 AM) - CC BY SA 2.0
  (c) duziem
  http://www.flickr.com/photos/aadplus/3086404771/