if you use Font Awesome icons and have them already installed with third party style or add-on, then [cXF] Font Awesome Switch add-on is not required any more although it is recommended
added option to set the icon for new posts in block above forum list (#1) and the "More" link at the end of block (#2) which points to New Posts page for users and Recent posts for guests:
The icon is from Font Awesome and it's changable in style properties.