This is a link to an old sermon from February 6, 2011 on being the light of the world and the salt of the earth:
https://www.dropbox.com/s/84en1ng4tkrdtaa/sermon%202%206%2011.wmv
It was given at St. George’s before I retired at the 10:30 AM service in the church (not the 9 AM service in the parish hall).