Thanks to Luke (rindu!) who posted in the last comments page:
Dude, I just remembered something. Some links for your learning ASL roll. About a year before the Richfam tutorials came out, ekted from BGG wrote two blog posts, outlining the basics of SK. They were way helpful to me, and he's a cool guy!
http://ekted.blogspot.com/2006/05/asl-primer-i.html
http://ekted.blogspot.com/2006/05/asl-primer-ii.html
Check 'em out!
