If you’re having trouble with bbPress searching in the Canvas theme you can try the following technique to get it resolved. Download the file bbpress.php from https://gist.github.com/mattyza/1b01583441b11c8d04d0 Place the following code in your functions.php file: //https://gist.github.com/mattyza/f210cadb7f70188d513d add_filter( ‘template_include’, ‘woo_custom_maybe_load_bbpress_tpl’, 99 ); function woo_custom_maybe_load_bbpress_tpl ( $tpl ) { if ( function_exists( ‘is_bbpress’ ) && is_bbpress() ) […]

Best option I’ve found is via a shortcode. Open your functions.php in your favorite text editor and first enable shortcodes for widget titles: add_filter(‘widget_title’, ‘do_shortcode’); Then, add your shortcode with the icon: add_shortcode(‘iconthlist’, ‘wpbase_iconthlist’); function wpbase_iconthlist() { return ‘<i class=”icon-th-list”></i>’; }