Image
To add an image or overlay, go to the "Produce" area, go to the Overlay section, click the "Add Image" button, and select the image you want to see on stream.
Then, click on the image to add it to your canvas.
Overlay
* Custom Overlays are available only in Premium version
To add an overlay, click the "+ URL" button, then name it and enter the overlay URL.
Xsolla Partner Network overlays are available both in Free and Premium tier.
Copy the link URL from Overlay section of your Xsolla Partner Network account and paste it inside Overlay section of Lightstream Studio.