Index: t3lib/class.t3lib_extmgm.php
===================================================================
--- t3lib/class.t3lib_extmgm.php	(revision 7440)
+++ t3lib/class.t3lib_extmgm.php	(working copy)
@@ -1216,12 +1216,11 @@
 '.$content;
 			if ($afterStaticUid) {
 				$TYPO3_CONF_VARS['FE']['defaultTypoScript_'.$type.'.'][$afterStaticUid].=$content;
-					// TODO: find a dynamic way to add default TS to all versions of css_style_content
-				if ($afterStaticUid==43)	{	// If 'content (default)' is targeted, also add to other 'content rendering templates', eg. css_styled_content
-					$TYPO3_CONF_VARS['FE']['defaultTypoScript_'.$type.'.']['cssstyledcontent/static/'] .= $content;
-					$TYPO3_CONF_VARS['FE']['defaultTypoScript_'.$type.'.']['cssstyledcontent/static/v4.2/'] .= $content;
-					$TYPO3_CONF_VARS['FE']['defaultTypoScript_'.$type.'.']['cssstyledcontent/static/v3.9/'] .= $content;
-					$TYPO3_CONF_VARS['FE']['defaultTypoScript_'.$type.'.']['cssstyledcontent/static/v3.8/'] .= $content;
+					// If 'content (default)' is targeted, also add to other 'content rendering templates', eg. css_styled_content
+				if ($afterStaticUid==43 && is_array($TYPO3_CONF_VARS['FE']['contentRenderingTemplates'])) {
+					foreach ($TYPO3_CONF_VARS['FE']['contentRenderingTemplates'] as $templateName) {
+						$TYPO3_CONF_VARS['FE']['defaultTypoScript_'.$type.'.'][$templateName] .= $content;
+					}
 				}
 			} else {
 				$TYPO3_CONF_VARS['FE']['defaultTypoScript_'.$type].=$content;
Index: typo3/sysext/css_styled_content/ext_localconf.php
===================================================================
--- typo3/sysext/css_styled_content/ext_localconf.php	(revision 7440)
+++ typo3/sysext/css_styled_content/ext_localconf.php	(working copy)
@@ -40,5 +40,13 @@
 	'description' => '<ul><li>Clear divs will be generated by default for in-text right or left positioned textpic elements.</li><li>The default row space changes to 10px, to be in line with col space and text margin.</li><li>Rendering bugs with wrong margins were fixed (Default CSS changed).</li></ul>',
 );
 
+	// Register ourselves as "content rendering template" (providing the hooks of "static template 43" = content (default) )
+$TYPO3_CONF_VARS['FE']['contentRenderingTemplates'] = array(
+	'cssstyledcontent/static/',
+	'cssstyledcontent/static/v4.3/',
+	'cssstyledcontent/static/v4.2/',
+	'cssstyledcontent/static/v3.9/',
+	'cssstyledcontent/static/v3.8/',
+);
 
 ?>
\ No newline at end of file