CHDK for Canon Cameras + Digital Photograpy Tutorials

CHDK is "a firmware enhancement that operates on a number of Canon Cameras. CHDK gets loaded into your camera's memory upon bootup (either manually or automatically). It provides additional functionality beyond that currently provided by the native camera firmware." Such as

• CHDK Wiki - http://chdk.wikia.com/wiki/CHDK
• CHDK Forum - http://chdk.setepontos.com/

Cambridge in Colour is both a digital photography tutorial web page where you can "learn how to take and edit digital photos using interactive visual tutorials, ranging from camera basics to advanced tips", and a photo gallery of "low-light and night photography gallery of Cambridge University in England".

• Tutorials - http://www.cambridgeincolour.com/tutorials.htm
• Gallery - http://www.cambridgeincolour.com/cambridge-gallery.htm