how do you create one i would really love to know please and thank you

You already have one... o___o;

HA = Human Avatar

Unless you're referring to something else.

Maybe they haven't tried using the wardrobe system since the switch? Have you tried reading this board: http://www.subeta.net/forums/view/276745. It gives a pretty good explanation of how to use the new bases, and how to save your HA once you layer on the items c:

like how do you post them and things

To include Human Avatars in posts and such, you use this code: [*avatar=*insertusernamehere] **make sure to remove the asterisks