Tutorial Videos on Vimeo
OpenOSS Vimeo Channel
A number of tutorial presentations have been recorded and are available to view at the OpenOSS Vimeo Channel
A number of these are also available in raw format to download from http://sourceforge.net/projects/openoss/files/JOSIF/DeveloperOnRamp/
Introduction to the JOSIF program
An introductory video which you should watch first can be seen here