1. Banner images are currently bound to one specific file that holds the image
2. Navigate to image below
3. Change version (actions -> versions) or on the file details on the right.
4. Upload a new image
5. Publish

Space Banner

/theme/images/spacebannerjpg
*Note: Ideal dimension for this image is width: 2600px by height: 150px.

Sign In Page Banner

/theme/images/signinjpg
*Note: Ideal dimension for this image is width: 2200px by height: 600px.

Slider Static Image Banner

/theme/images/sliderbannerjpg
*Note: Ideal dimension for this image is width: 1100px by height: 250px.