From the WYSIWYG toolbar on the page where you want to embed your Promo, select the Embed Micro-Content button.
Select Promo from the list of Micro Content.
From the Select Content to Embed window, select the Promo Library link at the top of the screen.
Select the Promo you wish to embed and click on "select" at the bottom of the page.
To add an Icon to the Promo, click the drop down arrow and select the Icon of choice.
Select the placement of the embed content.
Finish edits to your containing page, then Save and Publish as usual.