You can add and edit existing content via the administrative interface.
Creating New Content
Login To the Admin Interface
Select Manage Content, and Content
Once on the content listing screen, click Create Content
Fill out the form, making sure to select the correct content types and click create content
Editing Existing Content
To edit existing content, start at the content listing screen and click "Actions", "Edit".
Make your changes and click save.
Publishing on Home Page
If you want your content to show on the home page when it's theme is active, check Add To Home Page. Keep in mind that this will only show on the home page when todays date is between the start and end dates of the theme.
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