The one trigger Keyboard Maestro doesn’t have is one that will execute a macro from the Finder. This is a quickie script I created that will take any selected Keyboard Maestro macros and drop an Applescript applet on your desktop to fire those macros off.
Fans of macro recursion might enjoy creating a macro to run this script and then use that macro to create an applet to create more applets.
Download: Create Applet to Execute Macro.zip