FCG not working my page :( ?

[cincibir]

step by step :
download FCG plug-in, upload plug-in directory and active.
configure FCG Options, set ID number
write new post, add custom fileds (articleimg and featuredtext), select category id (options area id match)
and add header.php code ( <?php include (ABSPATH . '/wp-content/plugins/featured-content-gallery/gallery.php'); ?> )

but not show page

please help me !
thanks