To diplsay the slider, use [vertical] snippet in your content. Vertical slideshow is free wordpress slider addon that allows to create categories and
Install automatically through the "Plugins", "Add New" menu in WordPress, or upload the vertical folder to the /wp-content/plugins/ directory.
Click on "Activate Plugin" to Activate the plugin or Activate the plugin by click on Plugins menu and click on activate link below plugin name.
You can find "Vertical Slideshow" link on left side menu. Go to album management under Vertical slideshow and create categories and upload images into those catetegories.
[vertical] - Use this short code in the content / post to display all images under all categories which are not disabled.
[vertical cats=2,3] - Use this short code in the content / post to display all images under the categories with ID's 2,3.
[vertical imgs=1,2,3] - Use this short code in the content / post to display images which has ID's 1,2,3.
<?php echo do_shortcode('[vertical]');?> - Use this short code in the template (php file) to display all images under all categories which are not disabled.
<?php echo do_shortcode('[vertical cats=2,3]');?> - Use this short code in the template (php file) to display all images under the categories with ID's 2,3.
<?php echo do_shortcode('[vertical imgs=1,2,3]');?> - Use this short code in the template (php file) to display images which has ID's 1,2,3.
For working demo : http://wpslideshow.com/vertical-gallery
Installation Video: http://www.youtube.com/watch?feature=player_embedded&v=JdpMLgZVYNM