OK, all you have to do is insert the following code
<tr>
<td class="head1" valign="top" colspan="5">{lang_top_image_comments}</td>
</tr>
<tr>
<td valign="top" class="row1" align="center"><b>1</b></td>
<td valign="top" class="row1">{image_comments_1}</td>
<td valign="top" class="row1">{image_comments_user_1}</td>
<td valign="top" class="row1">{image_comments_cat_1}</td>
<td valign="top" class="row1" nowrap>{image_comments_number_1}</td>
</tr>
<tr>
<td valign="top" class="row2" align="center"><b>2</b></td>
<td valign="top" class="row2">{image_comments_2}</td>
<td valign="top" class="row2">{image_comments_user_2}</td>
<td valign="top" class="row2">{image_comments_cat_2}</td>
<td valign="top" class="row2" nowrap>{image_comments_number_2}</td>
</tr>
<tr>
<td valign="top" class="row1" align="center"><b>3</b></td>
<td valign="top" class="row1">{image_comments_3}</td>
<td valign="top" class="row1">{image_comments_user_3}</td>
<td valign="top" class="row1">{image_comments_cat_3}</td>
<td valign="top" class="row1" nowrap>{image_comments_number_3}</td>
</tr>
<tr>
<td valign="top" class="row2" align="center"><b>4</b></td>
<td valign="top" class="row2">{image_comments_4}</td>
<td valign="top" class="row2">{image_comments_user_4}</td>
<td valign="top" class="row2">{image_comments_cat_4}</td>
<td valign="top" class="row2" nowrap>{image_comments_number_4}</td>
</tr>
<tr>
<td valign="top" class="row1" align="center"><b>5</b></td>
<td valign="top" class="row1">{image_comments_5}</td>
<td valign="top" class="row1">{image_comments_user_5}</td>
<td valign="top" class="row1">{image_comments_cat_5}</td>
<td valign="top" class="row1" nowrap>{image_comments_number_5}</td>
</tr>
<tr>
<td valign="top" class="row2" align="center"><b>6</b></td>
<td valign="top" class="row2">{image_comments_6}</td>
<td valign="top" class="row2">{image_comments_user_6}</td>
<td valign="top" class="row2">{image_comments_cat_6}</td>
<td valign="top" class="row2" nowrap>{image_comments_number_6}</td>
</tr>
<tr>
<td valign="top" class="row1" align="center"><b>7</b></td>
<td valign="top" class="row1">{image_comments_7}</td>
<td valign="top" class="row1">{image_comments_user_7}</td>
<td valign="top" class="row1">{image_comments_cat_7}</td>
<td valign="top" class="row1" nowrap>{image_comments_number_7}</td>
</tr>
<tr>
<td valign="top" class="row2" align="center"><b>8</b></td>
<td valign="top" class="row2">{image_comments_8}</td>
<td valign="top" class="row2">{image_comments_user_8}</td>
<td valign="top" class="row2">{image_comments_cat_8}</td>
<td valign="top" class="row2" nowrap>{image_comments_number_8}</td>
</tr>
<tr>
<td valign="top" class="row1" align="center"><b>9</b></td>
<td valign="top" class="row1">{image_comments_9}</td>
<td valign="top" class="row1">{image_comments_user_9}</td>
<td valign="top" class="row1">{image_comments_cat_9}</td>
<td valign="top" class="row1" nowrap>{image_comments_number_9}</td>
</tr>
<tr>
<td valign="top" class="row2" align="center"><b>10</b></td>
<td valign="top" class="row2">{image_comments_10}</td>
<td valign="top" class="row2">{image_comments_user_10}</td>
<td valign="top" class="row2">{image_comments_cat_10}</td>
<td valign="top" class="row2" nowrap>{image_comments_number_10}</td>
</tr>
Where you put it, depends on where you would like it to appear - meaning:
if you want the comments to be on top of the Top10 page above all others, look for
<tr>
<td class="head1" valign="top" colspan="5">{lang_top_image_rating}</td>
</tr>
and add it before this.
If you want it to be below highest votes look for
<tr>
<td class="head1" valign="top" colspan="5">{lang_top_image_votes}</td>
</tr>
and add it before this.
If you want it to be below most votes, look for
<tr>
<td class="head1" valign="top" colspan="5">{lang_top_image_hits}</td>
</tr>
and add it before this.
If you want it below most hits, look for
<tr>
<td class="head1" valign="top" colspan="5">{lang_top_image_downloads}</td>
</tr>
and add it before this.
If you want it at the bottom, look for
<tr>
<td valign="top" class="row2" align="center"><b>10</b></td>
<td valign="top" class="row2">{image_downloads_10}</td>
<td valign="top" class="row2">{image_downloads_user_10}</td>
<td valign="top" class="row2">{image_downloads_cat_10}</td>
<td valign="top" class="row2" nowrap>{image_downloads_number_10}</td>
</tr>
and add it after this.