Also graphs

1. Right-click the cell that contains the comment.
   (or choose Insert Comment)
   
2. Choose Edit Comment, and clear any text from the comment.
   
3. Click on the border of the comment, to select it.
   
4. Choose Format>Comment
   (or Ctrl+1)
   
5. On the Colors and Lines tab, click the drop-down arrow for color.
   
6. Click Fill Effects
   
7. On the picture tab, click Select Picture
   
8. Locate and select the picture
   
9. Click Insert, click OK, click OK
   

Labels: General, Reference, Tips, Tutorials