Here is some quick image explanations for the uploader window.
3. You must set the name for the item, and must select an icon image to upload. then Add an image panel.
4. set the layer this image will be attached to, the layer list is as follows.
AvatarItem Layers (from the back to the front)
6. Enter the edit mode, then move the image by mouse drag on preview window or clicking on each parameter and move by Up and Down arrow keys on Keyboard, with Shift key it goes faster.
8. if you set "Items" in the category, it shows up here. (小物 = items)
Category from the left: All, Tops, Bottoms, Sets, Accessories, Hairs, Items, Faceitems, Others