Meet Me at Midnight: This is a really fun interactive website put together by the Smithsonian American Art Museum. It allows students to learn some basic art concepts by solving a mystery.

ArtPad Painter: Online Drawing Tool: Students can create their own "paintings" or browse the gallery of completed work. Allows you to watch the process of each gallery work being created.

Tabblo: AMAZING collage software

Interact 10 Ways: Wow! Interactive photo collage site

Photobucket: a place to upload images and video - a great resource for blogging when you have limited server space

Flickr: a social photo sharing tool

Sketchup: free 3D graphics software:

Blubbr: Create comic strips using Flickr images

Flickr Toys

Jackson Pollock
Interesting Interactive Flash Animation

Largest picture online - an Italian fresco that you can zoom in and examine in detail.

Very interesting Digital Photography project (with assignment details and rubric) from Clarence Fisher at Remote Access

Interesting Art/Photography/Media related links:
Greg Apodaca's Electronic Portfolio: samples of professional photo re-touching
Dove's Campaign For Real Beauty and lesson plan idea