leemon

WordPress 3.5 introduced an entirely new media uploader which streamlined the way one handles and uploads images to posts. Unfortunately, 
since then, the default view for the media library is “All media items” instead of “Uploaded to this post”. This plugin sets “Uploaded to this post” as the default view.

Default Media Uploader View

Simple & perfect

Makes a small but super useful adjustment to the media uploader, thanks!

Awesome

Sets "Uploaded to this post" instead of "All media items" as the default view in the media uploader.

ryanpcmcquen

Makes local copies of all the linked images and pdfs in a post, adding them as gallery attachments.
Source & support:
https://github.com/ryanpcmcquen/import-external-attachments
<h4>Credits</h4>
This plugin is based on the work done in the “Import External Images” plugin by MartyThornley.
https://github.com/MartyThornley
HTTPS support added by IvanDoomer: 
https://github.com/IvanDoomer
PDF support added by bengreeley: 
https://github.com/bengreeley
Most of the JavaScript was rewritten from the original plugin, to reduce the 
number of global variables.

Import external attachments

Makes local copies of all the linked images and pdfs in a post, adding them as gallery attachments.

Default Media Uploader View vs Import external attachments