I found the following links (lots in the link!) to be the ultimate use, I guarantee if it's possible and already discovered, it's in one of those.
https://www.dropbox.com/s/80yj2lzdudvuqm6/One%20Command%20Links.txt?dl=0
Personally I'm wondering if requesting the players to use a special resource pack is considered cheating when it comes to vanilla modding. because it's supposed to be what Minecraft provides without alteration. EDIT: the link is broken. Fixed one: http://1drv.ms/1RkmdWG