Cover image template:

Here is a Canva template you can use to create a cover picture if you’d like to. Simply find one of the blank template pages and replace the images with your own. 

Remember the bottom left chunk won’t be seen on a mobile (where most users are); that’s why my text on the example is balanced to the right.

NB: This is not the time to experiment with Canva if you aren’t familiar with it (you have plenty of other work to do!) - a simple beautiful image of your property or a special feature makes a good cover image too.