The Hard Way
Simply input HTML code into the blank space.  Be sure to start and end the code with the proper <html> and </html> tags.  Plus, be sure you really know your HTML code. 
Note:  Not being an HTML expert, when I tried inputting HTML code that involved a table, I had a hell of a time.  When I just input a large banner (using no tables), it was fairly easy.  However, there is an "easier" way.

 

Create Custom Banner

Note This function is designed for advanced users who want to add HTML code instead of using Real Estate ABC's standard banner. If you are not HTML programmer or do not feel comfortable to write HTML code, please click "Cancel" button to go back to the main menu. 
   
  Standard Banner       Custom Banner
   
Please add HTML code to the following box. Absolute reference links (starting with http://) is required for IMG tag.
   

 

 
 
Result
 
The code above resulted in the header visible on page:
 

http://design.realestateabc.org/test-020/www/index.shtml

 

 

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