Thanks to Jeff Minard for developing this plugin originally and also to Iacovos Constantinou for his JS functions for parsing the comment text...
Activate the plugin through WordPress admin interface..
Second, if the comment form fields do not have the proper id values, the comment preview will not work...
Why doesn't the comment preview look like the rest of the comments..
Most likely because your theme does not use the standard comment HTML used by WordPress default theme.
Yes, create file called comment-preview php in your folder and insert COMMENT CONTENT, COMMENT AUTHOR, and AVATAR URL where you would like the respective content to show up...
Based on the number of unaddressed GitHub issues and the lack of recent releases I consider it unmaintained and I stopped using it...
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
Bug fix Avatar images not the correct size for Twenty Eleven theme.
Bug fix Javascript doesn't load for users who have WP in subdirectory.. 1.8.
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