You can upload and use personal photos in your scenes. Open the "My Images" tab, click on the "Upload images" button, choose an image, name it, and then use it in the form, eg. The [sabines] wall.
The [sabines] wall is a foot in the tiny tall sand island. the wall is 10 feet wide. the ground is shiny water. the large boar is behind and -5 feet to the left of the wall. it is facing left. the man is a foot in front of and -1 foot to the right of the wall. He is facing right.
the palm tree is a foot in front of the wall. it is 13 feet tall.