NOTE: A document or image can be linked by selecting and opening the file (or image). The url of that file/image can be copied and linked to within the page.
You can create custom views of the different document or image libraries lists to display items in a way that makes sense to you. Additional information can be found on the "Working with List" page. (under "List View" section)
There are two ways to upload a document or image to the website.