All images that can be used as placeholders can be viewed and downloaded here.
The aspect ratio of the image MUST NOT be changed.
The size of the image CAN be changed.
Resize the image without changing the aspect ratio
In Microsoft Office there are two ways to resize the image without changing the aspect ratio.
1. Use only the corner points (marked in red) in Word:
2. Select the image and then click on Layout. Afterwards you can easily reduce the size.