it seams to me the best thing would be the lekke props, or maybe just some tentacles would work, try using the lekke ones but don't fit to, just position and parent to the head/neck....

you can also try these

http://www.sharecg.com/v/27018/gallery/Poser/Tentacle-

http://www.users.freenetname.co.uk/~leatham/downloads.html

http://www.sharecg.com/v/22502/View/11/Poser/The-Lekku-Package

is this the lekku you have? cause it has a single stand alone one also

www.bloodyrosesdesigns.com

 

http://www.aldaraproject.com/aldara/

http://www.dreamslayervisions.com