How to resize the background image in Xara3D6? First go to windows>frame size. Go in Sara and change the size of the image to the frame size. Make the image transparent. Then export the image as a PNG format. Now go back to Xara3D6 and go to view>background texture and open the previous image which was saved. That's it; the image is resized to that particular document properly. It will help in resizing photos to be uploaded on the net.