Here are the abilities that you can receive by refering two people. That means that when you tell two people about the site, you can get abilities! Once you have referred two people, simply state on the OOC board who you joined and what ability you would like. Here are some:

Stone of Television- This steel gray stone lets you watch an episode of Invader Zim or the Scary Monkey Show whenever you want.
Stone of Sugar- This color-changing stone lets you have a sugar stick whenever you want. You can also choose the flavor.
Stone of Teleportation- This lime green stone lets you appear and reappear in different places.
Stone of Time- This glowing orange stone is used to control time. Its power is limited. It usually needs recharging, but can save you when you're in trouble.
Stone of Charm- This blood red stone lets you control the members of the opposite sex into doing anything.
Stone of Flying Piggies- This pig pink stone lets you call upon the power of flying pigs, so you can ride them.