I have stolen this video from Hamid @ axosoft.com. Its pretty neat and a quick demo about Scrum. Worth watching it.
Find more about Scrum from Scrum.org and also there some tools available in Codeplex.com, that helps automate things up to certain extend.
Scrum.org, Scrum Guides (Download)
Codeplex.com, Tackle: web-based Scrum tracking site with rich set of features
Codeplex.com, Scrum Dashboard: web client front-end for Scrum for Team Foundation Server