two things.

1. mouseover only works with the screen/character you're controlling directly. so if you mouse over a window to one of your slaves, the slave's mouseover macros would work. the other slaves have their own mouse pointers and will be pointing at various other, somewhat randon things. so the mouseover command would not work.

2. with that said, im afiraid you'll have to do it with keybindings and macros, which im sure you can find. i'll have to find it myself, but i do believe i did make a post on it. something about healing macros and using the F keys.