The ones you've mentioned are episodes 3 and 4. 1 & 2 will be the jacob and richard-centric episodes. These will be released once I have the S6 boxset, but I wanted to get the ball rolling and start releasing what I've already done.
I've updated the blog with the release of episode 4 - 1974-1977
http://lost-inthedetail.blogspot.com/