Yes, free templates for layout backgrounds can be found in the Signagelive Marketplace.
You will find a selection of Layout Background images available within the Signagelive Marketplace; you can access these by using the following instructions:
Log in to your Signagelive Network as a User or Administrator
Select Content
Select Playlists
Select Create/ Edit
Select the blue Add Content button
Select From the Marketplace
Select ‘Content’ in the Type list in the left-hand menu
Select the Add button on any of the Layout Background images required.
Return to the Playlist Creator
Select the Recently Added folder where you will see the recently added Assets
How can I use these within the Layout Designer?
You will need to download this Asset by clicking the menu of the asset and selecting Download. To add this to a Layout, you should refer to this article guiding you through the Layout Designer.