Not always will an image fit a Campaign's screen division exactly. Ideally, you crop the image beforehand to fit the screen.
Be aware that exceedingly large images can pose problems for your hardware. We recommend to read this tutorial about file specifications.
In cases where your image size is a little bit off, you can adjust the image aspect ratio in your Campaign.
- Select a Campaign and look at the timeline.
- Click on a picture item in the timeline.
- A pop-up window will display the Item Properties. Among other information, there is the Aspect Ratio field which contains four primary options to fit an image.

TIP: Before choosing a setting, always take into account both, the screen division and the image aspect ratio (width x height). Maintaining approximate ratios will look better than fitting an image into a completely different screen division.
Below are the four image fitting options with examples. The screen division of this Campaign is 1200x1080px and all images are 1900x1200px. The original photos are shown on the left. Compare the photos with the Campaign appearance after the settings were applied.
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Stretch to Fill Region: This will make your image fit exactly to the screen region. It is ideal if image and screen ratio are approximately the same, because if the image size differs too much from the screen division, the photo will end up looking too stretched or compressed.

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Keep Aspect Ratio Without Resizing: The photo will remain exactly as is, without any distortion. If you have a larger screen area than the size of the image, black bars will fill the blank areas around the image. On the other hand, if the photo is set to a smaller area, it will be cropped (see image below).

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Fit Region Height: Opt for this setting if the image has areas without important details you won't mind cropping from the image sides. In the example below for instance, the sky to the left was mainly cropped, but the most important element, the windmill, was kept intact. If you have a portrait image and the area is in landscape orientation, you might get black bars on the sides.

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Fit Region Width: Choose this setting if the image and the screen area have proportionally about the same width. If the image is wider than the screen area, black bars will appear on the top and the bottom (see image below). If you set a portrait image to fit a landscape orientation, the top and bottom will be cropped.

4. Confirm with “Apply” after you have adjusted the aspect ration and then save the changes in the Campaign.