For about a year I've never been able to get the Ajax refreshing working. The original quote would disappear and never be replaced by anything else. Or, a long string of error messages would appear.
I finally dissected the error messages and realized the problem: The plugin's Ajax functions are broken if the wp-config.php file is not in the WordPress directory. Of course, WordPress allows this file to be moved up one directory for security purposes. But that breaks the plugin somewhat.
As a test, I moved the file back down to its original place and...voila! Everything worked as expected. But I want to keep that extra (but small) level of security. Is there anything I can do to tweak the plugin and get around this issue?