Media Manager Plus is a standalone plugin built, maintained & operated by the friendly folks over at MachoThemes

The Media Manager Plus WordPress plugin upgrades the new WordPress Media Manager with support for
third party services such as Flickr, Instagram, 500px and Dribbble out of the box. Fully integrated
with WordPress you don’t even need to leave the Media Manager to authenticate with a third party service
and start adding images to your site in seconds.

Media Manager Plus Features:

Easily insert images into your posts and pages via the WordPress Media Manager
Built in OAuth authentication for security and ease of use
Simple intuative interface
Deep integration with WordPress and the WordPress Media Manager
Full support for captions, alignment and links
Built in “Safe Mode” (for filtering NSFW, nude or explicit images)

Currently supported services:

500px
Behance (Premium)
DeviantArt (Premium)
Dribbble
Dropbox (Premium)
EyeEm (Premium)
Facebook (Premium)
Flickr
Forrst (Premium)
Instagram
Picasa (Premium)
Twitter (Premium)