We thank and acknowledge these great artists for providing images used on the App Store:

• gagilas, http://www.flickr.com/photos/11677434@N04/5382453049/, http://creativecommons.org/licenses/by-sa/2.0/legalcode
• Stewart Black, http://www.flickr.com/photos/36967498@N00/6966282011/
• foxypar4, http://www.flickr.com/photos/43145783@N00/1731694426/
• Argyleist, http://www.flickr.com/photos/36947604@N00/193191461/
• Rachel Sandwick, http://www.flickr.com/photos/31695159@N06/4239365478/