Hi,
We always ready to provide best support and some customization . But It is not possible due to bad layout after increase image thumbnail sizes .
You may try only one solution to save thumbnails get cut off on the sides .
Please open to edit /themes/clique/includes/standard.php
Find this code at line 73
$item_figure .= "<li><a {$link_config}><img src='{$image['url']}' width='{$image['width']}' height='{$image['height']}' alt='{$image['alt']}' /></a></li>";
Replace with
$item_figure .= "<li><a {$link_config}><img src='{$image['url']}' alt='{$image['alt']}' /></a></li>";
Find this code at line 80
$image = aq_resize( $thumb_img_url, $thumb_width, $thumb_height, true, false);
Replace With
$image = aq_resize( $thumb_img_url, $thumb_width, true, false);
Find this code at line 86
$item_figure .= '<img src="'.$image[0].'" width="'.$image[1].'" height="'.$image[2].'" />';
Replace With
$item_figure .= '<img src="'.$image[0].'" />';