The clowns are hosting the green carpet now.

I was hoping someone could help me identify these tentacles growing out of my live rock, the are hairy and striped black and white

Here are some of my reef tank pictures that i took just now. I need sueestions on setting up the Live rock. I spent 30 mins today, changing then, shifting one after another and got to this.. but since ill be adding corals late on, i want suggestions on how to set em up so they look good. I...