iMage Brico

This plugin adds a icon feature to the default wordpress content editor and is the fastest and the simplest way to create 
combinations of images and text, apply effects to them and send the result both to the edited post/page and to the wordpress media section. 
With this plugin you can experience a new way of creating content in WordPress, 
once installed it will add an icon to the default WordPress editor, and when you click it… the magic starts! 
You will be able to add images, text, rotate them, crop, duplicate, use layers to have overlapping effects, 
add internal and external shadows simultaneously, change their colors, transparency, angles, blur, …
The plugin has an internal feedback engine to let you get involved into the development process, 
you can ask for new features as well as report a bug. 
Since its first release our users asked to add either the layer feature, and the iMageBrico integration 
and the duplicate features and the cropping image feature… and we already did it! 
All of them are available, and the iMageBrico version is now in beta phase.
<h4>Key Features:</h4>
<ul>
<li>Install on the default WordPress editor</li>
<li>Infinite image and text objects combinations</li>
<li>Multiple effects simultaneously</li>
<li>Inserts images directly into your post</li>
<li>Saves images in WordPress media folder too!</li>
<li>Clone and Crop functions</li>
<li>Rotate, Resize and Drag every Object</li>
<li>Overlapping layers management</li>
</ul>

This plugin adds a icon feature to the default wordpress content editor and is the fastest and the simplest way to create

RobMarsh

Some WordPress themes style images frames and drop-shadows. The Image Shadow plugin lets you have such image styling without having to use a special theme. It automatically adds a soft, realistic drop-shadow to the jpeg images in your post content. You can choose the shadow’s depth and orientation. You can even add frame to the image. You can let the image grow a shadow or you can ensure that the shadowed image fits in the same space as the original.
Version 1.1 lets you add shadows to only those images with a given class attribute (the attribute must come after the src attribute). You can also have shadows with a transparent background by leaving the background colour blank.
The shadowed images are cached on your server for fast delivery which means that your PHP setup must allow the creation of new files. You must also have the GD library installed.
NB I am aware that the settings screen, though functional, has problems in Internet Explorer.
<h3>Version History</h3>
<ul>
<li>1.1.0
<ul>
<li>adds option to only shadow images with a specified class attribute</li>
<li>if the background colour is left blank the plugin will try to produce a transparent background (requires PHP >=4.3.2)</li>
</ul>
</li>
<li>1.0.b2
<ul>
<li>First public release</li>
</ul>
</li>
</ul>

Image Shadow

Image Shadow automatically adds a soft, realistic drop-shadow to jpeg images in your posts

iMage Brico vs Image Shadow