Blog post image URL fixed.
Blog post image URL fixed.

stegrams/grav-gantr5-oer-lab,hibbitts-design/grav-skeleton-oer-content-space,hibbitts-design/grav-skeleton-oer-content-space,stegrams/grav-gantr5-oer-lab,stegrams/grav-gantr5-oer-lab,hibbitts-design/grav-skeleton-oer-content-space