This video, titled ‘Minecraft Mod – More World Types (Nether, Skylands, Superflat+)’, was uploaded by MinecraftTopic on 2012-02-11 16:23:40. It has garnered 1010 views and 14 likes. The duration of the video is 00:05:23 or 323 seconds.
Everything is here: Mod: http://www.minecraftforum.net/topic/942925-11-more-world-types-v14/