Sium

This is a very simple alternative to attachment mod. 
It works only with images and allows users to quickly add images to posts. 
All images are stored on third party image hosting service and bbcode for 
images is automatically inserted in posts when users upload images. 
Thumbnails are automatically created on image hosting server. 
This mod is very easy to install and very easy to use.
Other options and language settings are available here: <a href="http://postimage.org/mod.php" rel="nofollow ugc">http://postimage.org/mod.php</a>
Powered by <a href="http://postimage.org/" rel="nofollow ugc">Postimage.org</a>

Simple Image Upload

This mod integrates image hosting with WordPress

uPress

Ilan Firsov

uPress Link is a companion plugin for the WordPress hosting manager <a href="https://www.upress.io" rel="nofollow ugc">uPress</a>.
<h4>Features</h4>
<ul>
<li>Simple interface to manage the most frequently used features from uPress</li>
<li>Manage auto updating, auto redirection and firewall settings</li>
<li>Manage CDN (Content Delivery Network) settings</li>
<li>Manage uPress optimization settings</li>
<li>More features coming soon…</li>
</ul>
NOTE 
* This plugin does not work as a standalone. It requires an account with <a href="https://www.upress.io" rel="nofollow ugc">uPress</a>. 
* Some features require that specific settings will be enabled in uPress

uPress Link

uPress Link is a companion plugin for the WordPress hosting manager at https://www.upress.io

Simple Image Upload vs uPress Link