I am in the middle of a series on the cumulative case for the existence of God. You can find the first post in this series here. So far I have 5 different posts in the series, with I think 2 more to go.
For those who might want supplementary explanation on the Kalam Cosmological Argument (Part 2), Wintery Knight has posted an excellent article detailing the way science has strengthened the Kalam.
Wintery Knight is an excellent apologist, I hope you take the time to review his argument.