Each gallery can be assigned to more then 1 group. You can notice it while gallery edit: there are 2 select fields for groups - main and ext. Rotation - groups counts using main group so we can see real amount of galleries in DB, while Rotation - list thumbs shows galleries using Ext groups , the way you'll see it on site.

• up to update 46 there was a problem with deletion of large parts of thumb, script was not able to delete lat's say 1000 thumb during 30 seconds browser timeout time.
• that's why since update 46 thumbs won't be actually deleted once you press 'Delete', instead those thumbs will be marked as 'Marked for deletion' and once every 10 minutes cron script will check for those thumbs and actually delete it.
• you want to force that action you have to run following command in SSG

• cd /PATH_TO_/scj/bin/; env HTTP_HOST=yourdomain.com php rot.php process_deleted=true 

• there's one exclusion - if you delete thumbs in 'List Thumbs' and total amount of thumbs being deleted is less then 30.

Script does not generate static page each minute or something like that. Instead it creates a page once someone request it and saves it to cache with expiration time = CACHE_TIME, so each next the same request will get this page from cache till expiration time.

Yo can set CACHE_TIME in Rotation - Settings , but if for some reason you want to overwrite it somewhere - you can add in common.php

if (!defined('CACHE_TIME')) define('CACHE_TIME', 900);

If you want a page without cache - add &skip_cache=true to any request for example http://domain.com/?skip_cache=true. Note that this request will only show a page to you and will NOT save this page to cache.

If you want script to recreate a page AND save it to cache - you have to go to Rotation - Special - Recreate visited pages and it will add a cookie to your browser so each page you visit will be recreated and saved to cache.

For example: A page was created at 0 seconds. Cache time = 1000 seconds.

At 200th second you change design. If you or any other surfer open that page at this time - you will not see new design.

If you open with 'skip_cache' - you'll see new design, surfers - not.

If you open with 'Recreate cookie' - you'll see new design and surfers will see new design.