Voicethread is a neat online tool that allows you to set up or join group discussions around photos, presentations, documents or videos. Here’s their own description:
A VoiceThread is an online media album that can hold essentially any type of media (images, documents and videos) and allows people to make comments in 5 different ways – using voice (with a microphone or telephone), text, audio file, or video (with a webcam) – and share them with anyone they wish. About Voicethread
Here’s a good starter tutorial:
Here’s an example of how a voicethread works:
Here’s how to embed a voicethread into a blog:
Here’s a voicethread wiki.
Here’s the voicethread Ning community
And then Language learning: Using Voicethread for practising speaking skills which is probably the most comprehensive step-by-step guide out there, by Ann – here’s Ann’s blog.