I've noticed that in 3.7.2 there is a section in the admin dashboard to view all images/albums. I would like to propose that given that fact, normal admin navigation of the site is treated as though they are normal users. Which means when they explore, if there are images they wouldn't normally see. They don't see it. Inaccessible images are inaccessible.
I've noticed just in tinkering on my own site that admins can see everything through normal navigation of the site. Not considering any privacy settings what so ever. While it makes perfect sense to allow admins this level of purview, it does not necessarily make sense that this is the default position. As an admin if you're navigating the site like a user you shouldn't see everything. You should essentially be, a user. No more, no less. If you wish to use your admin privileges and thus see things you aren't normally entitled to see, or delete things that should be done through the admin dashboard and/or have an 'administer' link on each image that naturally isn't yours that then opens up the ability to delete/modify/etc. Or even have that 'administer' link simply take you to the image via the dashboard. That way the dashboard is the method for administering content.
I've noticed just in tinkering on my own site that admins can see everything through normal navigation of the site. Not considering any privacy settings what so ever. While it makes perfect sense to allow admins this level of purview, it does not necessarily make sense that this is the default position. As an admin if you're navigating the site like a user you shouldn't see everything. You should essentially be, a user. No more, no less. If you wish to use your admin privileges and thus see things you aren't normally entitled to see, or delete things that should be done through the admin dashboard and/or have an 'administer' link on each image that naturally isn't yours that then opens up the ability to delete/modify/etc. Or even have that 'administer' link simply take you to the image via the dashboard. That way the dashboard is the method for administering content.