Lining a suit

I bought this suit a couple of months ago and am trying to replace the very ripped lining. I think the suit is probaby late 70s and it was very well made, so it's worth the repair job! I've never done anything like this before, and I'm documenting my process on my blog. I'm happy for any tips anyone can share on how to get this just right, so feel free to jump in!
http://teaandcrumpetsvintage.blogspot.com/