I'm not a big fan of either argument, honestly. C.S. Lewis did a remarkable job, however, in 'Miracles,' of giving good ground to believe in the supernatural justifiably. But evidential apologetics only gets you so far, IMO.
. But it seems like an arbitrary jump to assume God is eternal, when it can just as easily be said that the Universe is infinite.
There is actually a good deal of evidence saying the universe is not infinite (there's also some, not as much, but some, saying the opposite), but as I said, I don't really find those arguments terribly convincing. But the reason that God is uncaused is because God by His nature is the essential eternal uncaused cause, which IMO seems reasonable to suppose the existence of. Who created God? No one. God is the eternal constant by which all things come into being. Why did no one create God? Because if God has the property of being created He isn't God; it's part of God's essential nature to be uncreated. Like I said, not a great argument.
'Hume's criticisms seems correct. The conclusion to be drawn, I think, is that the teleological argument, like the cosmological, is unsuccessful.' (Alvin Plantinga, 'God, Freedom, and Evil,' pp. 84)
I'm going to post a long article dealing with the whole 'FSM' thing; feel free to skip it if it bores you. But it is an EXCELLENT article that deals well with that objection.
http://www.reasonablefaith.org/site/News2?page=NewsArticle&id=7249
"Let them at least learn the nature of the religion they are attacking, before they attack it. If this religion boasted of having a clear vision of God, and of possessing Him plain and unveiled, then to say that nothing we see in the world reveals Him with this degree of clarity would indeed be to attack it. But it says, on the contrary, that man is in darkness and far from God, that He has hidden Himself from man's knowledge, and that the name He has given Himself in the Scriptures is in fact The Hidden God (Is 45:15). Therefore if it seeks to establish these two facts: that God has in the church erected visible signs by which those who sincerely seek Him may recognize Him, and that he has nevertheless so concealed them that He will only be perceived by those who seek Him with all their hearts, what advantage can the attackers gain when, while admitting that they neglect to seek for the truth, they yet cry that nothing reveals it? For the very darkness in which they lie, and for which they blame the Church, establishes one of her two claims, without invalidating the other, and also, far from destroying her doctrine, confirms it" (Blaise Pascal, Pensees, 335).
"To obtain anything from God, the outward must be joined to the inward; that is to say we must kneel and pray alone, etc. so that proud man, who would not submit to God, may now be subject to the body. To expect any help from this outward act is superstition; a refusal to join it to our inward acts is pride. For we must not misunderstand ourselves; we are as much machines as mind. And hence the means by which a man is persuaded are not demonstration alone. How few things are demonstrated! Proofs convince only the mind. It is habit that produces our strongest and most accepted proofs; it guides the machine, which carries the mind with it unconcsiously. Who has proved that there will be a morrow and that we will die?" -Blaise Pascal
Apologetics and systematic Christianity appealed to me greatly while I was still Presbyterian. When I lost my faith (much like Mother Teresa did), these arguments appeared to lose all credibility and rationality.
Apologetics are a weak crutch. Perhaps you shuld look into Apophatic theology, though IMO while lots of problems caused by evidentialism do go away, it doesn't answer all the questions you undoubtedly have. I find that a combination of the two serve quite well.
http://en.wikipedia.org/wiki/Apophatic_theology#In_the_Christian_tradition
'Systematic theology is the enemy of true theology.'
- Karl Barth
Sounds to me like you thought faith was 'belief in a proposition with no evidence to justify belief.' That's your first mistake. I won't contribute much more to this thread, I generally stay away from topics like these. Feel free to message me if you wish to talk further about any topic relating to these subjects. I also recommend this group:
http://www.christianforums.com/groups/390/
We're pretty cool.