shawfactor

This plugin allows you to create duplicate images in the media library, rather than having to create a new copy of the image and upload it to WordPress again.
It works by copying the post and its metadata into a totally new file in the media manager. Any changes you make to the new copy of the attachment — updating the caption or cropping, for example, will only be applied to the new attachment, not to the original.
This is useful if you want to edit or crop an existing image without effecting the original
To use, go to the Library tab and you will see a copy file link below each media (this will only appear in list view, see faq)

LH Copy Media File

Thanks! It does what it's supposed to do.

Great plugin! Does what it's supposed to.

Allows you to create duplicate images in the media library.

Cedaro

Brady Vercher

Simple Image Widget is what the name implies — the easiest way to add images to your sidebars. Display advertisements, calls-to-action, or even build a slider based on image widgets.
Despite its simplicity, Simple Image Widget is built with extensibility in mind, making it super easy to spin off new image-based widgets, or customize the widget ouput using the available template hierarchy.
<h3>Additional Resources</h3>
<ul>
<li><a href="https://wordpress.org/support/view/plugin-reviews/simple-image-widget#postform" rel="ugc">Write a review</a></li>
<li><a href="https://github.com/cedaro/simple-image-widget" rel="nofollow ugc">Contribute on GitHub</a></li>
<li><a href="https://twitter.com/cedaroco" rel="nofollow ugc">Follow @cedaroco</a></li>
<li><a href="https://www.cedaro.com/?utm_source=wordpress.org&utm_medium=link&utm_content=simple-image-widget-readme&utm_campaign=plugins" rel="nofollow ugc">Visit Cedaro</a></li>
</ul>

Simple Image Widget

A simple widget that makes it a breeze to add images to your sidebars.

LH Copy Media File vs Simple Image Widget