Hmmm, your skin (or skins) should have come in a folder containing all the files for the skin. In which case you just need to drop the entire folder in and it should work. (Worked for me anyway)
I don't use @main. Do not ask for me there
~Characters~
"Lady" Linnea: 99/69 Spirit
Champion
Aslinn: 9x/6x High Wizard
Jocelinn: Low-level dagger stalker
Lemon Poring: 9x/50 Brewer
Alchemist