Canon PIXMA MG5320 Menu Manual page 26

Select the Create recommendations checkbox to automatically create items such as
collages and calendars using information and images registered on My Image Garden.
Note
When Display Image Display at startup is off and Create recommendations is
on, Image Display starts once every seven days.
Delete All
Deletes all items that have been created by the item recommendation function so far.
When you click Delete All, a confirmation screen appears; click Yes.
Note
To delete recommended items individually, click
Recommendation Item List, then click
the displayed screen.
Even if you delete an item, the image used for the item will not be deleted.
(Close)
Closes Image Display.
(Delete mode) in
(Delete) on the item you want to delete in
26