I need a script!!!

Alright i need something like when you are creating a post you pick a text to display beside it like at http://www.anilinkz.com/ as you can see Sub, Dub, Info , Raw in different colors i want it as in you make the post and you can choose one of those colored text to be beside it for latest posts!

if that made sense i am not to good at english

it would be great