we have seen some of the ghosts power's for example :

Thor > controlally the light etc.

Sass aka Sasappis > entering and controlling the living's dreams.

Trevor > being able to touch / move objects with lots of concentration.

Isaac > making people smell a really bad smell when the living walk though him or when he walks though the living.

flower > making people feel high on drugs when the lining walk though her or when her walks though the living.

Elias > making people and animals honry / turned on when the living walk though him or when he walks though the living / animals.

Alberta > having her humming being heard by the living.

Jessica aka car ghosts > being able to turn the car alarm on and off by the car keys that she died with.

pete / peter > being able to go any-where then has to go back to the house other wise he will die , die properly. (spolier's)

.......................................

so do you think that we will see more ghost power's in series 4 of it?

(season 4 for all those american's in here)

on american ghosts.