Here is one from the Moda Bake Shop that uses a charm pack but you could substitute 5" squares.
http://www.modabakeshop.com/2009/01/...le-runner.html
Here is another one that uses a Jelly Roll but you could just use 2 1/2" strips. It is for christmas but could be adapted for any fabric.
http://www.modabakeshop.com/2009/11/...le-runner.html