I think, the distinctions we are talking about here are very subtle. Do we all agree that God did not create evil, and that evil requires an act of will? I still think that the metaphore of light is the best. To make darkness one has to erect a barrier. Darkness then is very tangible behind the barrier. Yet it is not created by God. Light is created by God and the barrier is. The positioning of the barrier so that it produces darkness is an act of sinful will.
God is present everywhere but not everywhere in the same sense. For example, we beleive that He is present during luturgy in a special way, and during a football game in a different way.
I agree with you, Alex. I would add that evil can't come from God because it is not in His nature and He doesn't have it to give.