The Header can either be Text, Logo or None with a link attached so if clicked the person will be taken to that particular website.
1.Click on the header (eg Estates.com.au)
This will change the tab on the left to Customize.
2.To replace this Logo with your own click on the folder on the task bar and navigate to locate the folder where your organisation’s logo is stored
3.Drag the logo on top of the existing logo