To get started with Scrum, grab one of the popular tools (e.g., Jira), implement all the Scrum artifacts and fill your gaps with some experienced people. It is not all too important to have the right task estimates, sprint lengths, etc. from the beginning or to follow the methodology dogmatically. The crucial part is to have a team that commits to the process, reflects critically, is eager to learn, and improves incrementally.
2008 – Tales of Design & User Experience 