This app allows you to convert multiple images and YouTube™ videos to Google Slides™ for free. 
Convert/Insert your images and YouTube™ videos to a single presentation with this app.
You can share this Slides with others directly. Simple and easy to use.

Provides connect with Google Drive™. You can directly convert multiple images and YouTube™ videos to Google Slides™ in your Drive.
Supported Formats: JPG, PNG, GIF, and YouTube™ videos...
Supports Chrome, IE10+, Firefox, Safari, Edge...