I'm using quicksand but I'd like to add a hover effect inside the element that is filtered by Quicksand jquery.
(function ($) {
    var $itemsHolder = $('ul.proyectosthumb');
    var $itemsClone = $itemsHolder.clone(); 
    var $filterClass = "";
    $('ul.filter li').click(function(e) {
        e.preventDefault();
        $filterClass = $(this).attr('data-value');
        if ($filterClass == 'all') { 
            var $filters = $itemsClone.find('li'); 
        }
        else { 
            var $filters = $itemsClone.find('li[data-type='+ $filterClass +']'); 
        }
        $itemsHolder.quicksand($filters);
    });
}(jQuery));
Function for hover effect:
$('.thumbnail').hover(
    function(){
        $(this).find('.caption-hover').fadeIn(250); //.fadeIn(250)
    },
    function(){
        $(this).find('.caption-hover').fadeOut(250); //.fadeOut(205)
    }
); 
Any Idea to add this function inside Quicksand?