Being a home group leader is really not easy. For the three years I led a home group, I only rarely felt I'd "got it right", and I found it far harder than preaching or leading or one-to-oneing. How you teach the Bible, how you encourage and guide the discussion, how you phrase questions… these are all things learned mainly through experience/mistakes/stumbling across what works.
Now there's a bit of a short cut: at this new blog for home group leaders, you can find some "potted proverbs". Well worth going to if you're a home group leader, obviously, but also if you're a home group member, so you can see what home groups can and should be, and how you can be a really encouraging part of it.
Just a quick flavour of the latest couple of posts: