National Geographic Kids
National Geographic Kids: Tricky Pics
Test your awareness of truth and illusion in visual images by viewing these six tricky photos. This resource demonstrates that you can't always believe what you see. To help you learn how to discriminate between real and fake, the...
Library of Congress
Loc: Does the Camera Ever Lie?
A presentation of how photographs were manipulated by photographers during the Civil War.
Other
Rru: Gimp Tutorial
This website explains how gimp is a freely distributed piece of software suitable for such tasks as photo retouching, image composition and image authoring. Some may find it extremely useful in creating logos and other graphics for web...
Other
Big Huge Labs: Fd's Flickr Toys
A massive collection of free tools of interest to teachers and others who need to quickly and easily make customized "stuff" using digital photos. Create cool effects like Warhol and Hockney at the touch of a button. Great to use with...
Library of Congress
Loc: Prints and Photographs: About the Civil War Photographs
Collection of digitized prints of the library's holding of Civil War photographs. Includes information on how the photographs were taken, as well as an interesting look at photo manipulation.
Other
Russell Brown: Adobe Photoshop Tips and Techniques
Who better to bring you tips and techniques than the Senior Creative Director at Adobe Systems himself, Russell Brown.
TED Talks
Ted: Ted Ed: How to Take a Great Picture
For manual photography, the aperture, shutter speed, and ISO sensitivity can all be manipulated to get just the right amount of light. Carolina Molinari suggests the best exposure for an action photo, a stunning portrait, or a nighttime...