So what are you trying to prove based on the premises? The options are: God does not exist therefore objective morality does not exist or that God does exist therefore objective morality does exist? Not, God is not required for objective morality. Reread the OP.
I'm trying to prove the argument is faulty. I'm not trying to disprove God.
And yes, the third option, that you say is no option, is
actually an option because we don't have to take the first premise as fact just because you say it is. And since I never noticed anyone explain how it takes a divine creator to make something objective, and that He isn't merely a subject with an opinion himself, there's no reason to assume that is a fact.
Quoting Dawkins at me like Craig does won't work. We both don't believe in God, but I
do believe that he's a jerk so I'm not taking his word for it either.
I've made a few statements, that are beyond the scope of the argument, to say that if God is real, then objective morality has not been passed to humans. I use the Bible as the reference for that since this is the ChristianForums, but any holy book will do.
It isn't possible to disprove God. I can disprove arguments that say God is real, but that isn't the same thing. I can disprove things that people say about the nature of God, but that isn't the same thing either. I am always open to, at the very least, a deistic god, as I consider that just as plausible a theory as whatever came "before" the Big Bang. I find it strange that anyone would think such a supreme being would be able to, or have any interest in, communicating with such a lesser life form however.
That's why I maintain the "seeker" tag in my profile. And also why I peruse these forums and the philosophy forums and the ethics and morality forums, because there is always more about the subjects that I don't know, and I want to make sure I'm as informed as I can be. If I were to change it to "atheist" then I would start being accused of "believing there is no God" instead of "not believing in God" which are two wholly different concepts (even though that's
really all atheist means).