Alright, let me start off by saying the wiki has a lot of great modder tutorials, but i'm looking to make a mod that does not need to be installed in the actual .jar, but just dropped in the mods folder, for 2 reasons, 1, i don't like the idea of messing with base code if i don't have to, mainly for compatibility reasons, and 2, for my friends sake, who will undoubtedly be my guinea pigs. An example of a mod that does this great, is ars magica, with 1 zip file you drop in the mods folder of the clients and the server, and done, that's it, which i would have thought would be easy to find, but my search have been unfruitful. if someone could point me to something that would be helpful in that regards that would be awesome.