Did you try Folder Tree view?
To see the entire folder hierarchy, please click the small icon just infront of "My Folders" label in left panel.
It will display folder tree view. Now if you want to see all folders under say a root folder "abc", right click on "abc" and choose "Show all sub-folders"
Many thanks Andaleeb - yes I have tried that and it seems only to add to the confusion - folders which in the Finder clearly show all my images are blank in PSE Organiser with the statement that they still have to be imported into PS Organiser. I guess that may be my fault because, due to the problems in locating files in Organiser I right clicked on them in the Finder and said 'open with PSE'. So in effect I bypassed PSE Organiser. But one would still have hoped that the folder hierarchy would be the same in Organiser and the Finder. Very confusing! I have never seen a program deal with folders etc in the way PSE does.
all the best
The PSE Organizer will not show the same photos that you see in your Finder because the PSE Organizer is not a file browser.
It only shows files and folders that have been imported into PSE. If you see a mismatch between what the Organizer shows and what PSE shows, then you need to import the photos into PSE's Organizer.
You did not click on the icon :
As dj_paige, sait, the 'My Picture' view only shows the last level subfolder where pictures are known from the database; that view is created from the contents of the database. If you click on the icon, you'll see a similar view as in the explorer or finder. Both views are useful for different purposes.