using “add media” button, but w/ “custom URL” left at default
yo1 (alignment: no select; size: choose thumb)
yo2 (alignment: no select; size: choose med)
yo3 (alignment: no select; size: choose large)
yo4 (alignment: no select; size: choose full)
using “add media” button, but w/ “custom URL” left at default (still)
yo2.1 (alignment: choose center; size: choose thumb)
yo2.2 (alignment: choose right; size: choose thumb)
yo2.3 (alignment: choose left; size: choose thumb)
yo2.4 (alignment: choose none (control); size: choose thumb)
using “add media” button, but ENTERING a “custom URL”