You can easily showcase an Instagram Post using the Shack Toolbox Pro pop-up module.
- Open up the Shack Toolbox Pro module for editing
- Under the Module tab, click the Instagram Post box:

- Still under the Module tab, enter the embed code of your selected Instagram post:

- Still under the Module tab set:
- Show Title to No
- Position to debug
- Status to Published

- Under the Menu Assignment tab assign this module to the required menu items
- Click the Theme tab

- Click Save or Save & Close.
You will now see the toggler tab on the top left corner of your site:

- Click Open:
You will see the Shack Toolbox Pro pop-up box with your selected Instagram post inside:

Well done! You now know how to embed an Instagram post using your Shack Toolbox popup module.
