Write a cool script? Send it to sk89q (somehow) or you can submit a pull request on https://github.com/sk89q/worldedit. He will consider your script for inclusion in WorldEdit releases. Please license your script with a permissive open source license such as GPLv2, MIT, BSD, WTFPL, etc. Note: Legally you should not release things to the public domain as not all countries have the concept of public domain in their copyright law. You can also post your scripts here: http://forum.sk89q.com/forums/craftscripts.6/