Jason Yingling

This plugin allows you to easily create pull quotes in your posts by adding a button to the post editor. As an added bonus, pull quotes can be easily shared to Twitter by the end user by clicking the Twitter icon.
You’ve got 3 options for pull quotes, full-width, right-aligned, or left-aligned. Easy Pull Quotes will take on the styles and font sizes from your theme. Plus be on the lookout for customizer options coming soon!

Easy Pull Quotes

Easily add tweetable pull quotes to your posts.

dglambert

Adding a callout box (like a sidebar within a post) is a cumbersome 
process if you try to do it by hand. You could code a stylesheet to 
handle this, but this won’t work for people who use feed readers to 
read your articles.
Hence the need for this plugin. Define the styles you want to use 
in the settings page, and then create a new callout box like this:
[callout title=”A demo callout.”]Callout content here.[/callout]
You can see it live at http://componentoriented.com/wordpress/insert-callout
<h3>History</h3>
Version 1.0 
 – First release 
Version 1.0.1 
 – Fix name in readme.txt 
Version 1.0.2 
 – Fix “do not have sufficient permissions” error on admin page. 
Version 1.0.3 
 – Plugin processing reworked to use regex. 
 – Allow multiple callouts per post. 
 – Add syntax hint on edit page. 
 – Default a style to settings page. 
Version 1.0.4 
 – Fixed: Line breaks within a callout caused it to not be processed.

Insert Callout

Add a callout box (like a sidebar within a post) to a post.

Easy Pull Quotes vs Insert Callout