easy:
original:

Code:
	<tr valign="top">
	{section name=i loop=$new_video start=0 max=4}
	<td width="25%" align="center" onmouseout="this.style.backgroundColor='#e1e4f2';" onmouseover="this.style.backgroundColor='#ffff99';"><a href="{$baseurl}/view/{$new_video[i].VID}/{$new_video[i].title|lower|regex_replace:"/[^a-z0-9]+/":"-"}/">[img]{$tmburl}/1_{$new_video[i].VID}.jpg[/img]
{$new_video[i].title}</a></td>
	{/section}
	</tr>
doubled:

Code:
	<tr valign="top">
	{section name=i loop=$new_video start=0 max=4}
	<td width="25%" align="center" onmouseout="this.style.backgroundColor='#e1e4f2';" onmouseover="this.style.backgroundColor='#ffff99';"><a href="{$baseurl}/view/{$new_video[i].VID}/{$new_video[i].title|lower|regex_replace:"/[^a-z0-9]+/":"-"}/">[img]{$tmburl}/1_{$new_video[i].VID}.jpg[/img]
{$new_video[i].title}</a></td>
	{/section}
	</tr>

	<tr valign="top">
	{section name=i loop=$new_video start=4 max=4}
	<td width="25%" align="center" onmouseout="this.style.backgroundColor='#e1e4f2';" onmouseover="this.style.backgroundColor='#ffff99';"><a href="{$baseurl}/view/{$new_video[i].VID}/{$new_video[i].title|lower|regex_replace:"/[^a-z0-9]+/":"-"}/">[img]{$tmburl}/1_{$new_video[i].VID}.jpg[/img]
{$new_video[i].title}</a></td>
	{/section}
	</tr>