Hi joomboom !
It is posible. but you must hack to code of ja news , Please open blog.php file in modules/ja_news/tmpl folder , find following code section at about line 30 :
<?php
$k = 0;
for ($z = 0; $z < $cols; $z ++) :
$cls = $cols==1?'full':($z==0?'left':($z==$cols-1?'right':'center'));
?>
<div class="jazin-<?php echo $cls;?>" style="width:<?php echo $width;?>%">
<?php for ($y = 0; $y < ($news / $cols) && $k<$news; $y ++) :
$params->set('blog_theme', $themes[$k]);
$rows = $contents[$k];
if($catid) {
include('blog_item.php');
}
$k++;
endfor; ?>
</div>
<?php endfor; ?>
red text is code for width of columns . if want change width of first columns , you can use code below :
<?php
if ($z == 0 ) {
$width= 50;
}
?>
<div class="jazin-<?php echo $cls;?>" style="width:<?php echo $width;?>%">