Item types of individual files include: images, text, or multi-media (no larger than 128mb)
Dublin Core Metadata is a standardized metadata set (which contains information for the item) designed for the web
Go to Omeka.net, log in, and then click "Manage Site":
In the dropdown box, select the type of the uploaded file: still image, text, sound, or moving image
Add your file to the Omeka site: (maximum file size is 128MB)
Use the "Choose File" button to select your image/video/sound file
You can assign tag(s) to your item as a way to organize sets of materials. This is optional because the primary organizational method is to assign things to Collections.
A simple way to organize sets of items is by assigning them to Collections. If have a collection already, select it here
Check "Public" (if you see it)
Click "Add Item"