Fish Friends Help?????!!!!!?

I have 2 cinimon clown fish 2 three striped damsels 1 yellow tail damsel (Getting another soon) and getting to normal clownfish soon what other fish could i put in with these fish and how can i tell the gender of each one without telling by colors.(Im a little color blind) i need alot more fish too!suggest some i do have a big enough tank. Thanks!!!!!