In order to display multimedia content on Sosius pages you need to use a custom html tag.
You will require a basic understanding of how to edit HTML code, if you have added embedded media in html pages before then this should be straight forward:
Create a new blog entry, page or any other item that supports HTML content.
Enter your normal content in the html editor. Click on the HTML button in the second row of the toolbar.
Insert one of the following Sosius embedded media tags in the HTML content:
Videos:
Audio files:
Click the Update button on the HTML Source Editor and then click OK on the page to save the changes and view the content.