You
can import bitmap images as paint layers using any of the image
file formats that Mudbox supports. For a list of supported image
formats, see
Image file formats.
In the Layers window,
ensure the display button is set to Paint.
Do either of the following:
From the Layers window
menu ( ), select Import
Layer.
Right-click in the Layers window
and select Import Layer from the menu that
appears.
The Open window
appears.
Browse to the directory, select the image,
and click Open.