`select_related` collection on image listing
`select_related` collection on image listing

`images/results.html` shows the collection if it's available, which
results in `O(n)` queries.

thenewguy/wagtail,wagtail/wagtail,wagtail/wagtail,jnns/wagtail,rsalmaso/wagtail,thenewguy/wagtail,zerolab/wagtail,torchbox/wagtail,mixxorz/wagtail,rsalmaso/wagtail,jnns/wagtail,mixxorz/wagtail,gasman/wagtail,mixxorz/wagtail,zerolab/wagtail,torchbox/wagtail,rsalmaso/wagtail,gasman/wagtail,mixxorz/wagtail,thenewguy/wagtail,zerolab/wagtail,torchbox/wagtail,mixxorz/wagtail,gasman/wagtail,gasman/wagtail,torchbox/wagtail,gasman/wagtail,rsalmaso/wagtail,zerolab/wagtail,thenewguy/wagtail,zerolab/wagtail,rsalmaso/wagtail,jnns/wagtail,thenewguy/wagtail,jnns/wagtail,wagtail/wagtail,wagtail/wagtail,wagtail/wagtail