Interspersing and sharing some of my own findings while surfing.
MFLE is the online service from Learning and Teaching Scotland and Scottish CILT which supports anyone working with modern languages in Scotland, from foreign language assistants and trainee teachers to teachers and principal teachers.
They have published a good introduction to blogging in education.
You may also want to check out Ewan McIntosh’s edu.blogs, where he shows how blogs and podcasts aren’t just a gimmick: they can be used to provide powerful learning in Scottish schools.
An interesting article in the Guardian: “How blogs make the link”