great set up plan. im excited to see how it turns out.. be careful of those clowns there jumpy little fellas theyll jump right outta your tank! i have a 14 gallon bio cube with a damsel and some corals (look at signature). i think you should definetly get a cleaner shrimp of some kind either a fire shrimp or a cleaner chrimp they look very cool and will even walk into your hand!
14 gallon bio cube
18 pounds of LR, lobophyllia, mushroom, yellow
colony polysp, unknown coral, a fire shrimp, and a yellow tailed