No worries, your full image is there!
The view in the 'Media' tab displays the thumbnail image of each file. To view each image, simply click on the thumbnail to view the image. This will enable you to view the full image as uploaded.
Once the media is attached to the application, you will also be able to view the media on the preview section of the application before you are ready to submit it. Click on the thumbnail of the image to see the full view of your application.
If you have already submitted, here is how you can view the image on your submitted application: Click Here