"Great instructional videos from Russell Stannard excellent blog, Free Technology for Teachers.
Excellent tutorial on an essential web2.O tool
http://www.teachertrainingvideos.com/edmodo1/index.html
http://www.teachertrainingvideos.com/edmodo2/index.html
Free online Tricider tutorial for teachers and students. TeacherTrainingVideos.com provides free step by step camtasia screencasts that take you through a whole range of ict and web2.0 tools
Via Aulde de Barbuat