The attached report shows an example of our data that when loaded into Excel requires a Macro to parse a single column on the spreadsheet.
The Macro is to search the first column and find any cells that contain [?????????] where the quesion marks represent some number. e.g. 
It should then load an image into the spreadsheet and resize it to a smaller dimension of 100px wide and place it in the same cell as the number.
Please find attached the example spreadsheet, and images are loaded from a URL similar to as follows. The number at the end represents what is within the brackets [ ].
[url removed, login to view]