To use save the same add-one-folder with different variants of the add-one per time - two toggles (example: two shell-scripts) please form the url`s for new starters in the right path to dismiss chaos (Download Example Template)

Mountain Witch with Friend
White Troll with carrier for summoned RPG`s
Aria of the Dragon Slayer alp dream easy modification
An Elven Elementalist story backgrounds implementation
A New begin with Heros (pl.)
also as test-arena for new characters

Or The Thread at wesnoth official server forum (currently more visuelle brainworks for me how I would named the directories real)