jQuery cada cada uno

$('.picture').each(function(){
    $('.picture').hover(function(){
        $('.picture span').animate({
            'padding-top' : '20px'
        },'fast');
    });

    $('.picture').mouseout(function(){
        $('.picture span').animate({
            'padding-top' : '10px'
        },'fast');
    });
});
Weary Wildebeest