|blur|[Bool](../types/Bool.md) | Optional|If set, the wallpaper must be downscaled to fit in 450x450 square and then box-blurred with radius 12|
|motion|[Bool](../types/Bool.md) | Optional|If set, the background needs to be slightly moved when device is rotated|
|background\_color|[int](../types/int.md) | Optional|If set, a PNG pattern is to be combined with the `color` chosen by the user: the main color of the background in RGB24 format|
|second\_background\_color|[int](../types/int.md) | Optional|If set, a PNG pattern is to be combined with the first and second background colors (RGB24 format) in a top-bottom gradient|