You will want to select the Graphic image on the left to bring up the list of all graphics in your database.
To create a new graphic, select the Graphic image and then click the New button.
To open a new image, double click the Picture box or right click the Picture Box and click Load.
Select the Scale group and drag the slider to the desired scale.
To save your resized graphic, right click the Picture box and click the Save. Select the file type and the location you want to save the finished image to and click the save button.