Praveen Rajan

A plugin to display file type icons adjacent to files added to pages/posts/widgets. Feature to upload icons for different file types provided.
Support Forum Link: 
<a href="https://wordpress.org/tags/attachment-file-icons?forum_id=10" rel="ugc">Support Forum</a>
If you find this plugin useful please provide your valuable ratings.
<h4>Features</h4>
<ul>
<li>Attaches file type icons with uploaded files or link of files in pages/posts/widgets content.</li>
<li>Feature to add new file type icons.</li>
<li>Provides better view for pages/posts/widgets content with uploaded files or links of files.</li>
</ul>
<h4>Check out my other plugin</h4>
<ul>
<li><a href="https://wordpress.org/extend/plugins/cool-video-gallery" rel="ugc">Cool Video Gallery</a> – A Video Gallery plugin for WordPress with option to upload videos and manage them in multiple galleries</li>
</ul>

Attachment File Icons (AF Icons)

A plugin to display file type icons adjacent to files added to pages/posts/widgets. Feature to upload icons for different file types provided.

bmsterling

Give you the ability to upload files that you have in your Media Library. ?It also let you insert more then one file into a post at a time.
Please submit any bugs or suggested improvements to <a href="https://github.com/bmsterling/Attachment-Extender/issues" rel="nofollow ugc">https://github.com/bmsterling/Attachment-Extender/issues</a>
Need this plugin customized or need a plugin created, contact me via my contact form at <a href="http://kenzomedia.com" rel="nofollow ugc">http://kenzomedia.com</a>
Also available through twitter, @bmsterling
<h3>Credits</h3>
Copyright 2011 Benjamin Sterling
This program is free software; you can redistribute it and/or modify 
it under the terms of the GNU General Public License, version 2, as 
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful, 
but WITHOUT ANY WARRANTY; without even the implied warranty of 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
GNU General Public License for more details.
You should have received a copy of the GNU General Public License 
along with this program; if not, write to the Free Software 
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Attachment Extender

Give you the ability to upload files that you have in your Media Library.  It also let you insert more then one file into a post at a time.

Attachment File Icons (AF Icons) vs Attachment Extender