best featured image source

app/models/communication/website/category.rb

app/models/communication/website/page.rb

app/models/concerns/with_featured_image.rb

app/models/education/program.rb

app/views/admin/application/featured_image/_show.html.erb

app/views/admin/application/featured_image/_static.html.erb

app/views/admin/communication/unsplash/_static.html.erb

...s/admin/communication/websites/categories/static.html.erb

app/views/admin/communication/websites/pages/static.html.erb

app/views/admin/communication/websites/posts/static.html.erb

app/views/admin/education/programs/static.html.erb

app/views/admin/research/journals/volumes/static.html.erb