It has qn optiob to select which forums to use Gallery view. The Gallery has masonry layout, it doesn't use equal heights, so you should upload the images that have the same height & width.
I don't use that theme, it may be missing the default class of ipb so the plugin can not find the hook point. Please give me acp access I'll can take a look.
This is IPS issue, all applications have the same problem. You can edit file furl.json to edit friendly url, after that, run Get Support to clear the cache.
@Optic14 Go to ACP > System > Support > SQL toolbox
Run this query code
ALTER TABLE core_groups ADD videobox_limit_videos INT( 10 ) NOT NULL DEFAULT 0;