I spoke last Sunday night on a couple selections from Advent Liturgy & how they cause us to think of the first coming of our Lord. It's good to be reminded that the first Advent did not end with a baby in a manger, but goes beyond that, culminating in Christ's sacrifice. 
The audio
 will be posted shortly  HAS BEEN POSTED on the BT sermons page. Read up below!
http://jmnz.us/USblA8
More Reading
First Christmas Post
Firstborn of the Three
Godliness to Us