Granted, it is not actually about baptism, unless you count crossing the Jordan River as baptism (1st Cor. 10.1-3)
Now therefore fear the LORD, and serve him in sincerity and in truth: and put away the gods which your fathers served on the other side of the flood, and in Egypt; and serve ye the LORD. And if it seem evil unto you to serve the LORD, choose you this day whom ye will serve; whether the gods which your fathers served that were on the other side of the flood, or the gods of the Amorites, in whose land ye dwell: but as for me and my house, we will serve the LORD. (Joshua 24:14-15 KJV)
I was preaching one time, using this as a text (cannot remember the sermon actually, but I’m pretty sure someone ended up going to hell for something that happened in Leviticus while the 8 of us in heaven spent eternity alternating between praising God and laughing at the damned) when the thought struck me about baptism. It has stuck with me for a few years.
In my allegorical passage, the flood/river is baptism while the other gods are those things which we served before the sacrament which unites us to Christ. (Romans 6.1-7).
Anyway, I’m in a baptismal mood… expect more posts.