We start off with a refresher on what God did to the Egyptians. It's nice to reflect fondly on the good ol' days isn't it?
Psalm 107:15 kind of forgets about God punishing future genrations for the sins of their fathers.
Psalm 109 is written by one sick mofo. You know this guy got shit on by his co-workers and went home to plan their destruction (with God's help of course).
I remember some equally sick wacko putting out anti-Obama bumperstickers with this psalm number.