[Plugin: Frontpage-Slideshow] I can not install on wordpress

Hello,
I installed the plugin and very good sign, so I’m not getting it put on my home page.

put this code in header.php

<? Php
/ / Added by <yourname> in order to add the slideshow using the slideshow frontpage-plugin
do_shortcode echo ('[FrontpageSlideshow]');
?>

most did not appear at all.

someone could tell me the code implementation?

my site is: http://www.braziltutoriais.com .. see how it is!