“To use this widget in a template, use the the_widget() function which WordPress provides.”
This is only written on the plugin-page at wordpress.
But anyway, it is also not working with this plugin.
On the authors page, it is written:
“To use the template tag: Add <?php sidebarlogin(); ?> to your template.”
The same in the readme.txt (but the readme is still 2.4 ?? )
But also not working on my sites. I think, we have to go back to 2.4, which was working in templates.