Create a wallpaper with balls from scratch in this tutorial.
Create a new file (
File>New) with
1024x768 px and
72 dpi and select the
Rectangle Tool (U) to represent the picture’s background.

The layer’s parameters:
Blending Options>Bevel and Emboss
Blending Options>Bevel and Emboss>Texture
Blending Options>Gradient Overlay
Gradient’s parameters:


Pick up after that the
Ellipse Tool (U) to create the primary layer of the sphere that we want to put in our picture.