If you aren't using VoiceThread, check it out. There are lots of possibilities to using this tool with your students, no matter what the grade level.
I am leading an after school session on VoiceThread in the classroom today and wanted to share some great links I have found and others have shared with me for you to access.
Links for VoiceThread resources:
17 Interesting Ways to Use VoiceThread in the Classroom
VoiceThreading Across the Curriculum
How to Make a VoiceThread
VoiceThread for Education
EdTECH Vision Voicethread wiki
Tom Barrett's VoiceThread post 1
Tom Barrett's VoiceThread post 2