Learn how to customize the background of an OpenOffice spreadsheet comment box, with the image of your selection.
Right-click in a cell and select Insert Comment:
Enter the text you want to be displayed in the comment.
Right-click on the cell containing the comment and select Show Comment:
Click to select the comment. Right-click in the comment box and select Area
Go to the Bitmaps and click on Import.
Browse for the image file of your selection and then click on Ok Select your new image and click on OK.
That's it ! The image has been loaded, feel free to adjust the size of the comment box to your convenience.