The lovely overworld configured into an end-style sky island. Be careful not to fall! -Not currently possible. Old image. Will eventually be possible again.
Large sky islands generated using the "Sky_Islands" ChunkGenerator.
Custom portals have ore dictionary support, allowing for some crazy portal frames.
With a tweak of the water level, this forest becomes a series of islands.
With the powerful tools in Dimensional Control, you can change how the biome map is generated, allowing for completely unique random gen worlds.
A single biome, as far as the eye can see....