Here you can see a Demo-Class for Level B1, hold by Online Teacher Elke Kolodzy:
There are several Groups, for different levels, from beginners to advanced.
Probe lesson free of charge. Register here.
For further Information please visit: http://livedeutsch.blogspot.de/p/daf-unterricht.html or send an E-Mail to firstname.lastname@example.org.
Hope you will enjoy the lessons as much as I did.