The following resources include commercial, free, and open source solutions. Explore them and add useful links to your blog.
Multimedia
http://goanimate.com/ Web 2.0 cartoon generator
http://www.powtoon.com/ another fast & quick way to make animated videos
https://vine.co/- Twitter based service allows for 6 second looping videos
Digital Storytelling
http://www.storycenter.org/ Center for Digital Storytelling
http://digitalstorytelling.coe.uh.edu/ educational uses for digital storytelling
http://www.terry-freedman.org.uk/artman/publish/printer_804.php practical classroom management strategy
Video Sources
http://www.youtube.com/education Youtube has its own educational channel with links to many videos
http://www.teachertube.com/ similar to Youtube, but designed for teachers
http://www.schooltube.com/ another educational video website; focus is on sharing student work
http://www.ct4me.net/multimedia_in_projects_2.htm Links to many sites- some new sites, some familiar ones