xaraartech

Abuzer

Adds functionality to search images from post page and attach as featured image. 
You will require to create an API key on bing for search API. 
GOTO: https://azure.microsoft.com/en-us/services/cognitive-services/bing-image-search-api/ or https://dev.cognitive.microsoft.com/docs/services/56b43f0ccf5ff8098cef3808/operations/571fab09dbe2d933e891028f 
And generate your “Ocp-Apim-Subscription-Key”

External featured image from bing

Adds functionality to search images from post page and attach as featured image.

mrlister1

Louis Lister

Wonka Slide is a plugin that will let you quickly create a slider out of your featured images from your posts. Wonka Slide has the ability for slide count adjustment up to 10 slides.

Wonka Slide

This is a shortcode slider that will make a slider out of the featured images from your blog posts.

External featured image from bing vs Wonka Slide