Hi, I just found the cleanest way to hack it imo.
There’s a line to add in wp-content/themes/my_theme/includes/theme_options.php:
At line 316, replace
"options" => array(
'layout-left-content' => $url . '2cl.png',
'layout-right-content' => $url . '2cr.png')
by
"options" => array(
'layout-full' => $url . '1c.png',
'layout-left-content' => $url . '2cl.png',
'layout-right-content' => $url . '2cr.png')
You are now able to enable full width in the website’s administration in Wootique->Theme Options->Layout Options tab->Main Layout.
Hope it’ll help.