I recently wrote about how I use it together with Typinator to completely automate writing text :
https://medium.com/@NikitaVoloboev/write-once-never-write-ag...
There is also a video in the end where it shows all of its powers in action.
And I share all the interesting Keyboard Maestro macros I use in a list here :
https://github.com/nikitavoloboev/km-macros