Add a concept where an image can be a rendering of another, which means it is not...
[pr0n] / sql /
drwxr-xr-x   ..
-rw-r--r-- 3073 pr0n.sql
-rw-r--r-- 2931 upgrade-v2.40.sql
-rw-r--r-- 2464 upgrade-v2.50.sql
-rw-r--r-- 362 upgrade-v2.71.sql
-rw-r--r-- 513 upgrade-v3.11.sql