There is demo's on this site and different links to click on to learn the aspects of this program. Hope this helps. I see someone here on this thread has tried this program. here is the link for some video demos and links.
http://www.swfeast.com/en/free_digiziting_software.asp
Actually this site does kinda help, but I found some youtube videos like 16 of them to watch. This might help even more
http://www.youtube.com/watch?v=fiaXFluYTGs