montesjmm

This plugin allows to attach pictures and multimedia files to comments (the same types allowed in wordpress’ multimedia library).
This plugin has been tested with Twenty-Eleven and Twenty-Twelve themes.

mooontes Comments Media Upload

This plugin allows to attach pictures and multimedia files to comments (the same types allowed in wordpress' multimedia library).

Stefano Lissa

Comment Image enables blog readers to attach an image while leaving their comments. 
Supported formats are JPG, PNG, GIF.
Uploaded images are inserted below the comment text as thumbnail (of configurable max dimensions) and linked to the original pictures.
File selection field can be injected automatically or added manually.
Original pictures and their thumbnails are stored in a separate folder for easy management.
See the official <a href="http://www.satollo.net/plugins/comment-image" rel="nofollow ugc">Comment Image</a> page for more.
Other plugins by Stefano Lissa:
<ul>
<li><a href="https://www.satollo.net/plugins/hyper-cache" rel="nofollow ugc">Hyper Cache</a></li>
<li><a href="https://www.thenewsletterplugin.com" rel="nofollow ugc">Newsletter</a></li>
<li><a href="https://www.satollo.net/plugins/header-footer" rel="nofollow ugc">Header and Footer</a></li>
<li><a href="https://www.satollo.net/plugins/thumbnails" rel="nofollow ugc">Thumbnails</a></li>
<li><a href="http://www.satollo.net/plugins/include-me" rel="nofollow ugc">Include Me</a></li>
</ul>

Comment Image

Enable readers to attach an image to their comments.

mooontes Comments Media Upload vs Comment Image