Fills the specified shape with one large image. If you want to fill the shape with small tiles of an image, use the UserTextured method.
expression.UserPicture(PictureFile)
expression Required. An expression that returns a FillFormat object.
PictureFile Required String. The name of the picture file.
Example
This example adds two rectangles to myDocument. The rectangle on the left is filled with one large image of the picture in Tiles.bmp; the rectangle on the right is filled with many small tiles of the picture in Tiles.bmp
Set myDocument = ActivePresentation.Slides(1)
With myDocument.Shapes
.AddShape(msoShapeRectangle, 0, 0, 200, 100).Fill _
.UserPicture "c:\windows\tiles.bmp"
.AddShape(msoShapeRectangle, 300, 0, 200, 100).Fill _
.UserTextured "c:\windows\tiles.bmp"
End With