Jars of Clay is a Christian band that was pretty popular around 1995. They had one fair hit called "Flood" on their debute album that was called "Jars of Clay". It was a very good song. They have about six albums, do a google search on Jars of Clay and you will quickly find the albums.
http://www.ksgn.com/artists.asp
this is from my local Christian radio station, has links to most of the popular artists