Great Teaching & Learning Resources for Scratch

• Scratch Programming Handbook - A beginning guide to programming with Scratch. The whole website is downloadable.
• LearnScratch.org - These very nice folks will send you a DVD with all their Scratch instructional movies for free!

Useful sites for sprites, music, sounds:

• YoYo Games
• Lucy Meez
• Gaia

Scratch Home at MIT

• Download Scratch
• Learning Scratch
• Scratch Wiki