To finish up, we must select the JA_Purity theme as Default from Extensions | Template Manager.
We can see what our front page looks like by using the Preview link on the top right-hand side of the administration page.
So far, however, we have added images from the backend administration area that other users will not have access to. However, if a registered user logs in from the frontend and clicks on any category, thumbnails of all of the images in that category will be shown, along with a comment form and an image upload form, as shown in the following screenshot:
And finally, when any of the thumbnails are ...