Oddballs for 30 Hex

[SillySoph]

I have no idea if this is a 30, or a 55, so I'm gonna use a 30 to be safe. I have a 30 gallon hex that is currently cycling with used media. I want to get some oddballs for it, and would like suggestions. The final plan is to have a central rock column with hiding places, and a dsb

 

[reefsaver]

Maybe two designer clownfish, idk I like to keep things simple and still kind of wow cool.
A different odball would be a Pygmy Cherub Angel, they're great because they'll pick algae and eat detritus
Get some snails, astrea snails, turbo snails, Trochus Snails, Stomatella Snails.