First off click on Fan Fiction on the menu. You should see the following.

Main will take you back to this page, Add Story will take you to a page to add your own story. Recent stories will take you to stories added not long ago. Your stories will take you to stories you have added, if you have added any. While help will take you to a help page.

Also on this page you should see the following.

Here you can search for stories by title, author or summary.

You should also see a list of categories.

You may browse the stories by categories using this.

When you search, or go to recent stories you will find a list of stories which will look like the following.

Clicking on the title will take you to the story. Clicking on the author's name will take you to their profile. If you click reviews, you can read reviews from other readers and leave your own.

If you click on add story you will see the following.

Select the category your story fits into, and click add story.

You will now be taken to a page and see the following.

Fill in the information and click submit story. A mod will then have to okay your story before it is added.