You can upload multiple images when editing or creating your items to create interactive photo galleries.
The fastest way to add images is to click the 'image' in your inventory, and either dragging and dropping, copying and pasting, or browsing for your desired image.
You can quickly add images by clicking the item's name in your inventory, then dragging and dropping images or browsing through your computer.
Or, when creating or editing the items, you can click the "Details" tab and
Drop and drag an image to the "Add Image" square or
Click "Add Image" to browse your files
You can add up to 9 images per item