Assuming you downloaded the pack properly, in order to use a floating text, you will need these items: A nametag, a spawnable (aka a floating name), and creative mode. In order to spawn one of these floating texts, type in this command: "/summon Minecraft: player" or, something simila...
parent_generator: a name of another world generator provided by another plugin (i.e. Fjord), the world generation will attempt to do that one first, and then add islands to it. Adding custom ores (V3.0+): 1. Make an ores folder in /plugin/IsleWorldGen/, where your config.yml is....