Zoa ID please?

[birdsafari]

Our new tank came stocked with various corals, and thanks to the vast knowledge of "the Google" I have been able to positively ID everything except these 4 zoas (actually, I'm pretty sure #1 is Sun Polyp (P. grandis):

Another view of these ^ from the side:

 

[Justin Ranke]

1) palythoa grandis

not sure of the other ones but they look to be zoas I have seen before im sure someone will ID soon