I see that some of you are providing your mods to the players but with lengthy installation instructions. I think this can be detrimental to the diffusion of them (a PITA for most users, if I have to use the correct wording
So I advise you to use Ino Setup. This freeware, written in (my beloved) Delphi language is really handy. I use it for the installers of all our games, at AGEOD's. I'm not very knowledged in it, but I can anyway provide you with some basics scripts on how to copy files to the player game. The result would be a one-click procedure for them, so much more user-friendly.