media_pixabay

1. Register at Pixabay.com and obtain a Pixabay API key:
   https://pixabay.com/en/accounts/register/.

2. Navigate to Administration->Configuration->Media->Pixabay Media
   (`admin/config/media/pixabay`) and add your Pixabay API key.

3. Navigate to Administration->Configuration->Content Authoring->
   Entity Browser (`/admin/config/content/entity_browser`) and click
   'Add Entity browser'.

4. Complete the required fields and click Save.

5. Navigate to Administration->Configuration->Content Authoring->
   Entity Browser->Widget Settings
   (`/admin/config/content/entity_browser/{entity_browser_machine_name}
   /widgets`) and select 'Pixabay' from the 'Add widget plugin' dropdown.
   Configure the operations.

6. Click Save to save the Entity Browser Pixabay plugin. When using the entity browser on
    entity fields, the field should be of the type entity reference to media. Image entity
    reference is not supported. Also only one Pixabay widget per entity browser is supported.

1. Navigate to Structure->Media types (`/admin/structure/media`) and click
   'Manage fields' for the media type with an image source plugin.

2. Add a new or re-use an existing field of type 'link'.

3. Navigate to the media type's 'Edit' page, under Field Mapping ->
    Pixabay URL select the field created in step 2.

4. Click Save to save the media type. Any new images added through the
    Pixabay widget will now have the Pixabay URL saved in the field selected
    in step 3.