Link's to the Truth for Tots Series. Has tons of resources! Bible verses for small and older children, songs to sing, Veggie Tales to watch, activities to do. I'm super skeptical about most Biblical teaching ideas
40 Questions That Will Teach Your Kid to Be Kind to Others
reward system based on 'real world' -- kids earn chips for good behaviors and chores, then turn them in for things they want. they also lose chips for behaviors that aren't acceptable. (this is the chart I created for my little nanny-kids):
Don't miss these four simple steps you can take right now to create a chore chart that works. This in-depth post even includes four different types of printable chore charts, plus a helpful list of age-appropriate chores!