1.Click Diagram Design[Illustrations] > Pictures.
2.Select a file in the Insert Image dialog box.
3.Click OK to close the dialog box. The newly inserted image is now displayed.
4.If necessary, drag the image with your mouse to position it.
5.Set the absolute height and width on Format[Measures]. You can change the relative size in relation to the original image size in the following Properties window fields: Scaling Width and Scaling Height.