No nothing seems strange at all.
If you elect not to show all a users photos and you click their gallery with that setting at no and they have no photos uploaded to the members gallery you are shown what your suppose to be shown an empty since its truly empty and a link to show all a users photos.
http://www.fotocampus.info/photopost...500/ppuser/161
and then
http://www.fotocampus.info/photopost...all/ppuser/161
If your talking about why there are no last photo uploaded thumbs for members simply upgrade to the latest software and run in admin scan database the tool to upgrade the members last photo.