To change the color and transparency of
a bitonal image
Select the image to modify.
Right-click in the drawing area. Click Properties.
In the Properties palette, to change image color, click
Color.
In the Color drop-down list, select a color or click Select
Color to open the Select Color dialog box. In the Select Color
dialog box, specify a color. Click OK.
To change the background of the selected image to transparent,
or to change the background image from transparent to opaque,
select Yes or No in the Transparency list.