Leandro Arndt

Add HTML <div> tags directly on the visual editor using [div] shortcode. 
Usage:
<ul>
<li>[div]Your content here[/div]</li>
<li>[div class=”your css classes”]Content[/div]</li>
<li>[div embed=”http://em.bd/123″]</li>
<li>[div embed=”http://em.bd/123″ class=”your css classes”]</li>
<li>[div class=”your css classes”]http://em.bd/123[/div]</li>
</ul>
etc.
Diver development home: http://github.com/leandroarndt/diver/

Diver

Add HTML <div> tags directly on the visual editor. Supports css classes and media embedding parameters. Use shortcode [div].

Diegobr

Converts bare image links inserted in the post content into HTML tagged images, so turns links into visible images. Only applies into image links not tagged by the user. Useful for regular and bbpress instalaltions, to make easier for users inserting images just by posting a link to the image.
Extremely light, only computes when a user saves content, and just executes a light checking. It doesn’t run when readers access the blog.

Embed bare image links

Converts bare image links inserted in the post content by the user into HTML tagged images, so turns links into visible images.

Diver vs Embed bare image links