To Make an Image Color Transparent
You can define a specific color within an image as transparent while leaving the remainder of the image visible. For example, you could make the background color of an image transparent.
1. Click
View >
Images. The
Images tab opens.
2. Select the image in the graphics window.
3. Click
Set Transparent Color. Your pointer changes to a color picker.
4. On the image, click the color you want to make transparent. That color becomes transparent all over the image.