I bought the Dear Jane book this week and I'm itching to try some of the blocks. I have a Mac so I won't be buying the program that goes with it (well, I can use Windows programs on my Mac but haven't figured out how to do it yet :( ) but I have found a couple of good tutorial sites that show how to put the blocks together. Here is one of them:
http://thatquilt.blogspot.com/
Here is a site where you can look at some completed blocks:
http://members.tripod.com/%7ELisa_Jane/index.html