I pretty much never use campsites.
Blackout curtain between cab and rear. Use with cab window wind deflectors for ventilation.
Bucket, doesn’t take up space as usually has other stuff inside it. Laundry, washing up, shower water, etc.
Red light filter to avoid attracting attention at night.
Welcome to the Double Skillet Pan Company Get an extra lid and you’ll have two pans and a makeshift oven.
Remember it’s a small van and less is more. Personally I’d stick the portapotti up for sale before it’s used.