gistfile1.php

        function wptuts_slider_shortcode( $atts, $content = null ) {
		extract( shortcode_atts( array(
			'id' => ''
		), $atts ) );
		
		ob_start();
		wptuts_slider_template( $id );
		$output = ob_get_clean();
		return $output;
	}
	add_shortcode( 'slider', 'wptuts_slider_shortcode' );