Flickr

Pictures can be used on classroom blogs in a variety of ways:
Example 1, Example 2, Example 3.

Flickr is a photo sharing site that goes beyond the basics.

(1) It can:

• store photos (upload up to 10MB per month)
• share photos (send invitations)
• tag photos (for easy finding and sharing)
• add notes to your photos
• add and receive comments
• create sets or albums (limit of 3 with the free version)
• creates multiple versions (great for use on websites and blogs)
• upload:
  • from your computer
  • from your cameraphone
  • to your blog
• provide access to other's photos
• set privacy levels to your photos
• assign who has access to your photos
• join or create groups
• create RSS feeds

(2) Creative Commons

• Watch the movie (5 minutes 40 seconds)
• Watch the slideshow (2 minutes)

(3) Play Time!
Create an account and/or check out these very cool flickr tools!

More to Explore

• Flappr (click a flag!)
• Daily Zeitgeist
• Mappr
• Flickr Colour Pickr
• Flickr Graph
• a movie called: Flickr (by Johnathan Coulton)
  Warning: contains an off color remark towards the end

You could easily spend hours on this .... we've got 10 minutes. ;-)