Show Popup on First Customer Visit
The extension makes it possible to display a popup to the customer on their first visit, announcing the promotion. The popup shows up only one time – and won’t show up again for the same customer session.
Fields explained
In the cart promotion backend view, under the “Actions” tab, you will see the following fields –

Once the “display popup for customers on the first visit” field is set to “Yes”, the image that was uploaded in the “Popup Image” field will show up on the first customer visit.