For the gunner automation:
Assign a key to 'toggle level autopilot' (in controls), use the key in flight, the message 'Autopilot automation off' will appear and it's fixed.
With 'Autopilot automation' switched 'on' the autopilot will switch to ON when you leave a station, and switch it OFF for te station you are going to. It will also switch autopilot OFF when you return to the cockpit from external view.
If 'Autopilot automation' is off, it just does nothing. Well, apart from all other stations having autopilot ON at the start, and you needing to switch it off yourself (and back on) hopping in and out of stations...
As for the skins... no idea...