To put the gap between the signature and the countdown go to
Admin CP - Styles & Templates - Search in Templates
Search for - usercountdown_display
Change from;
Code:
<fieldset class="fieldset">
<legend>$vbphrase[countdown_title]</legend>
<strong>$vbphrase[countdown_counting_down_to]:</strong> $event <br />
<em>$counter</em>
</fieldset>
To;
Code:
<br><br>
<fieldset class="fieldset">
<legend>$vbphrase[countdown_title]</legend>
<strong>$vbphrase[countdown_counting_down_to]:</strong> $event <br />
<em>$counter</em>
</fieldset>
then click save