How to code / What plugin [Wordpress]

[weena]

Hi,

I need a plugin or any code/plugin to generate every single post keywords... Is there any? How to?

....
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>POST TITLE</title> 
<meta name="keywords" content=" ?????? [B][COLOR="Red"]SINGLE POST KEYWORDS[/COLOR][/B] ????" />
<meta name="description" content="SINGLE POST DESCRIPTION" />
....

Or anybody who can do me a code changes according to the sourcecode I give him?​