Ok i made this plugin for my site and for the help section.
I made this plugin because i saw some sites using other forum systems using a plugin that does the same thing. As MyBB does not have one, I made it.

Change Log Wrote:1.1 » 1.1.1
- Fixed a small bug.
1.0 » 1.1
- Removed text setting.
- Removed text formatting.
- Added a Resolved image and a Not Resolved image.
- No need for code edits now!
0.5 » 1.0
Font color, bold.
"Not resolved" setting.
Ability to choose from admin cp wich section is affected by the plugin.
Ability to change the phrase of resolved and not resolved from admin cp.

---

How does the plugin works?
Simple!
Opened threads are "not resolved".
Closed threads are "resolved".

Note: stickies aren't affected.

This was tested on 1.2.10

Installation:
Follow the readme.html