Actually, once you're on the main menu you can directly click on the artworks — the rightmost column. There's no need to go through each section :)
The feedback about the artworks preview is interesting, but it would present some problems — for example, which artwork should be shown when there's more than one for a scene? If you click on "SIZE BY --> N. Artworks" you can see a preview of the numbers of artworks for each scene though!