The only regular exceptions to that are my Sunday School helps, alternately known as Thoughts for the Week or Devotional Comments or (years ago) Youth Pages.
Once in a great while, I also add a current relief project by Christian Aid Ministries.
Thanks,
Mark
June 20, 2011 (other 2011 updates to this page: July 25 & September 15 & November 24)
Update: October 5, 2011
At one of my blogs late today,
I posted this related page
which includes some interesting ideas: