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Go to Website > Pages
Use the Search function to find the page called home
Double click the home page from the list, or right click it and select edit
Scroll to the items section. The first item in this section should be an item container, containing all of the slides which you see appearing in the carousel on your homepage. Click into the fist first item
A new tab will open, scroll to the items sections again, and you will see all the slides that make up your homepage carousel listed here. Click into the slide you want to edit
A new tab will open, scroll to the media section
You may see an image already uploaded here. This will be the image which is used when a visitor views the website on a mobile or tablet device. if you would like to use this image for the video transition, simply name the image homepage-transition in the image name section
Alternatively, you can use a different image to that which you are using for mobiles and tablets, and upload a new image purely for the purposes of the video transition. In this instance, upload your new image, and name the new image homepage-transition in the image name section
Once you are finished, click save and close
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