Make a smaller version of the texture map for the characters particularly teh children you might be able to get away with 750x750 or so poser texture maps are huge and if the character is not right next to the camera then make the map smaller. Reduce the refraction index on the water in the pool. Just my suggestions. I always try to find a way to get it to work faster.

The wit of a misplaced ex-patriot.
I cheated on my metaphysics exam by looking into the soul of the person next to me.