With thanks to the following books and websites:
Blue lobster art and design, (2009); 'The Photoshop CS3 Workspace' http://bluelobsterart.com/2009/03/02/the-photoshop-cs3-interface/ [Accessed 18 June 2009].
Kelby, S., (2005), The Photoshop CS2 book for digital photographers, U.S.A.: New Riders / Peachpit.
Laughing lion design, (2007) ‘Photoshop Tutorial; Adjusting the tonal range’ [online] available; http://laughingliondesign.net/?s=cropping
[Accessed 18 June 2009].
