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

Dave Jesch

Steveorevo

DesktopServer for WordPress eases localhost to live server deployment by publishing hosting provider server details via a protected XML-RPC feed and API to an authorized administrator only. It also provides assisted deployments to hosting providers that support file system direct.

DesktopServer for WordPress

Great service to quickly deploy a dev site to a live server. 

Simple Image Upload vs DesktopServer for WordPress