Добавить и сдвинуть вместе jQuery

I have this append method which I made to add more input boxes until there is 10 of them which will disable into making more.

i = 0;
$('#add-link').click(function() 
{   
    if(i < 9)
    {
        $('.insert-links').append('<div class="new-link" name="link[]"><input type="text" /></div>');
        i++;
    }
    if(i == 9)
    {
        $('#add-link').html('');    
    }
});

Although, it's good. However, I want to implement a slideDown when appended, I've tried doing this:

$('.insert-links').append('<div class="new-link" name="link[]"><input type="text" /></div>').slideDown("fast");

Which doesn't work at all.