- Click on the gear icon
in the upper right corner
- Go to 'Settings'
- Click on the relevant template group in the left menu ('General templates', 'Account Statement Templates' or 'Reminder templates')
- Click on the pencil
on the right of the template you want to adjust.
- Next, choose 'Pdf' and then 'Change background'.
- Upload your new background as a PDF and click on 'Save'.