Instead of putting in the resource/battle/chara folder, try making a new chara folder under the patch_ae2 directory and add the new skins there. Since the v2014, they’ve added some bugfix models or something that break a few characters’ mods under the old method.
Don’t bother with youtube tutorials. Use the text tutorials linked on the wiki.
EDIT: people wanting to mess with movesets can use the SF4Remix launcher. Just follow the instructions for where to copy the movesets to (i.e., where the launcher looks for them) as per the instructions at the top of the page: