Thinning Icing for Base Coating: Thin by adding 1 teaspoon of warm water per cup of royal icing. Use a grease-free spoon to stir in, and continue to add warm water, just ½ t. at a time. You want it to be about the consistency of elmers glue, where if you drizzle the spoon over the top of the bowl, the drizzles disappear in 5-6 seconds. Like this:

This icing can be painted on, or poured over cookies.
