Dave,

five to six times a year as an assistant of Roland Heilmann at the Dictum workshop in Munich.

Dave,

sometimes I hold a SketchUp course, the other time I hold a WoodRat course but most of the time I try to be in my shop and learn to work the galootish way

Marcus,

try this site: http://www.schreiner-seiten.de/verbindungen/index.php.
You can find there lots of joints with their german name.