Have you been to the General Board of Discipleship Lectionary Planning Helps page recently?
The commentaries on the Scripture passages are thought-provoking and helpful. The others worship planning ideas would be good for any worship leader or preacher to consider.
A great resource.
I am a part-time local pastor serving
The doctrine of original sin is surely more humbling to man than the opposite: And I know not what honour we can pay to God, if we think man came out of His hands in the condition wherein he is now.


Use it regularly along with textweek.com
I used the GBOD and textweek.com extensively as well as workingpreacher.org which is from Luther Seminary but offers some good exegesis and commentary.
[...] Great help for lectionary preachers – link from post by John Meunier’s [...]