Look at how the subject relates to the dimensions of the frame, from the space above to the space at either side. Let the first impression pass before looking for an element you did not notice right away.

A portrait selected for the gallery
A view from the portrait series
A portrait presented in the gallery
Selected for this portrait series
A portrait displayed as part of the featured selection
A frame for comparing first impressions
A portrait to explore through its visual details
A frame to linger over
A portrait image from the photo series
From this set of portraits