Hello,
just have a look at these four videos

http://www.youtube.com/watch?v=nUDbqo4OlHA
http://www.youtube.com/watch?v=FPLTBYyftHQ
http://www.youtube.com/watch?v=YPFpj131es8
http://www.youtube.com/watch?v=fsPqLs9uxBM

greetings from germany

andy