Sadly, no photos (I'm more into plane views and sometimes airline meals so I can provide a photo of the North Pole except that you really can't see anything at all!! ) .

I wouldn't worry too much about the booking aspect. First, it is only applicable on weekends and only specific services (when we stayed, cocktail hour in the lounge on saturday and sunday evenings only, and swimming pool on saturday and sunday again) and second it is fairly well organised and means that you get smooth access (ie I prefer that than coming to the lounge and there being no space or having to wait for 30 minutes for someone to freed a table).