http://www.magentocommerce.com/magento-connect/dolphin-responsive-slideshow.html
connect :
http://connect20.magentocommerce.com/community/Dolphin_Slideshow
log out and login again,

add slider show banner on magento

put the code
{{block type=”slideshow/slideshow” template=”slideshow/slideshow.phtml”}}
to home page content.
system > configuration > left slide show > enable and config size and will see it
*****
important !@!
***
if the menu can not drop down, then there will be the conflict.
solution is :
add below code to the jquery js in /public_html/js/slideshow/jeuery**.js
it will work
<script type="text/javascript"> jQuery.noConflict(); var $j = jQuery; </script>