array(
				'tag' => 'green',
				'before' => '<span style="color: green;">',
				'after' => '</span>',
			),

			array(
				'tag' => 'youtube',
				'type' => 'unparsed_commas_content',
				'test' => '\d+,\d+\]',
				'content' => '<object width="$2" height="$3"><param name="movie" value="http://www.youtube.com/v/$1" ></param><embed src="http://www.youtube.com/v/$1" type="application/x-shockwave-flash" width="$2" height="$3"></embed></object>',
				'validate' => create_function('&$tag, &$data, $disabled', '
				if (isset($disabled[\'url\']))
				$tag[\'content\'] = \'$1\';'),
				'disabled_content' => '<a href="$1" target="_blank">$1</a>',
),

			'flash' => array('code' => 'flash', 'before' => '[flash=200,200]', 'after' => '[/flash]', 'description' => $txt[433]),

			'youtube' => array('code' => 'youtube', 'before' => '[YOUTUBE=425,350]', 'after' => '[/YOUTUBE]', 'description' => $txt['youtube']),

?

$txt['youtube'] = 'YouTube';