All pictures will include a simple background for free. Here are the background options explained:
bed sheets, two walls, grass, etc.
simple outdoor scene, full room in a house, nightclub, etc.
usually includes props like maybe part of a car or a nightclub with silhouetted furs in the background, or a complex scene with ocean and sunset.
Another way to save on a background is to have the characters close-up in the shot so there isn't much background showing.
If I feel your background will be a different type than you selected, I will contact you before invoicing.
It may turn out that after the sketch is done, the background may be less so the amount in the Background selection is a high estimate.