First Post Only
Certain users groups can only view the first post of threads in certain forums.
Instead of displaying replies it displays a box with a message (defined in the language file).
Install
Upload contents of the Upload folder to the root of your MyBB installation.
Go to Admin CP -> Configuration -> Plugins and Activate "First Post Only"
Then go to Settings -> First Post Only and change anything you need.
Upgrade
From 1.0/1.1 to 1.2:
Upload contents of the Upload folder to the root of your MyBB installation.
Optionally, you may want to deactivate and activate to apply template changes. You will need to re-configure the plugin afterwards..
Support
This plugin is NOT maintained and NO support is officially given by the author. Use at your own RISK.