Questions - Need some input

Anyone have any wall hammer corals to give some advice on? We're should these corals be placed? Middle or low in the tank? In the sand or on rock? I am using 2 radions at about 50% power right now.

Calling it a problem is really over stating what's going on, but I'm looking for opinions none the less.

As you may know if you've followed along, my little 29 gallon has gotten healthier, but I've lost several fish to jumping and am now down to 1, a Flameback Angel.

Everytime I feed the angel, he fixates on the large pieces in Rod's original mix, most of which are too large for him to eat, grabbing them and then spitting them out and then grabbing them and then spitting ...

I am not sure what I am doing wrong.I have been trying to add more pics to this blog.I keep getting an error message that wont allow the image to post. I think the first pic was beginners luck.

Below is my Birdsnet as it is today.


As you can see the core of the colony is overrun with Algae and probably dead. However, all the branches are growing like mad and putting out new tips. So, would it be better to leave it alone and hope my new clean-up crew can clean it up? Or, do I frag the healthy branches and start new colonies?
Thanks.
Phil

Can anybody tell me why my bubble tip is no longer bubbly? After about two days in it started looking more like a long tentacle. There is currently a maroon clown hosting in it. Here is a pic.