I think this is a branching hammer

[TauntingBeef]

Just wondering it could be a torch not sure will try when lights ramp up layer for better pic

 

[AlSimmons]

It's kind of hard to tell from that picture. The link below might help though.

http://www.advancedaquarist.com/2012/10/corals

 

[organism]

Definitely some kind of Euphyllia, hard to tell without a clearer photo though.

 

[Reef Bass]

Need a brighter pic +1