Flickr is an image and video hosting website, web services suite, and online community platform. It was one of the earliest Web 2.0 applications. In addition to being a popular Web site for users to share personal photographs, the service is widely used by bloggers as a photo repository. As of November 2007, it hosts more than two billion images.

7 things you should know about Flickr

Flickr publishing

Classroom and School Uses of Flickr (adapted from)
· Anywhere visual images are required, such as presentation, etc.
· Single image analysis
· Single image writing prompt, sometimes called Flicktion
· Multiple image digital storytelling projects
· Creating slides shows within Flickr
· Virtual field trips
· Creation of visual arguments, e.g. biology classroom
· Illustration of Poetry with Flickr
· Flickr with Google Earth to teach Geography
· Visual documentation of school events
· Visual documentation of student artwork and other school products
· Creation of digital visual portfolios, using the photoset function of Flickr
· Intellectual property rights lesson using Flickr Creative Commons licensing
· The use of third party Flickr applications to produce classroom products:
a. Motivational posters
b. Magazine Covers
c. Movie Posters
d. Flickr slideshow
e. Mosaic Makers

Classroom uses of Flickr (blog)
Flickr Creative Commons …..the middle of copyright and open source
Flickr tools….whoops toys
The great Flickr tools collection

newly added:
Flickr Guide: How to do everything with Flickr