Excel editing as an XML

Dear all,

I have an Excel which was generated from a PL SQL procedure as an XML spread sheet.
Now I want to add an IMAGE to that Excel which is actually an XML spread sheet.
I can add manually an image to that excel and can save it as .xls, .xlsx or binary form.

But please let me know how can I add an image to that XML spread sheet while generating that XML from my proc by giving the image location or so.

Exactly saying my Excel is just like an xml code as

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I just need to an image in this format by providing image data or location.
Can anyone pls help me asap.

Thanks,
Pradeep.