How do I stick a graphic to a frozen header column in Apple Numbers?

[Bytesmiths]

I would like to attach a graphic to a frozen header column in Numbers. But I have not been able to find a way to keep the graphic from scrolling away when I scroll the table horizontally.

Any ideas?
https://apple.stackexchange.com/que...ic-to-a-frozen-header-column-in-apple-numbers
Screenshots and further details are on Ask Different.

Thanks for any suggestions!

 

[bingefeller]

Did you ever the an answer for this? I want to do the exact same thing.