Reply...
Msfossey,
Yes, please hold off from using the GSL files from that pack. When you download and install my GSL ports for Europe, I have London included.
http://www.sim-outhouse.com/sohforums/local_links.php?action=jump&catid=45&id=4315
"This is a scenery support package for the ETO theatre which allows you to have permanent destroyable scenery, specifically ports, at thirty-seven locations.
Belgium: Antwerp
England: Bembridge, Bristol, Central London, Dover, Great Yarmouth, Gosport, Harwich, Hull, Liverpool, Portland, Portsmouth, Ramsgate, Rochester, Southampton, and the Thames Estuary.
France: Bordeaux, Boulogne, Brest, Calais, Cherbourg, Dunkerque, Lorient, Nantes, and St. Malo.
Germany: Emden and Wilhelmshaven.
Holland: Amsterdam and Volendam.
Iceland: Reykjavik
Norway: Andalsnes, Bergen, Bodoe, Namsos, Narvik.
Scotland: Glasgow, Lerwick."
Please just make sure to not install this until after you install the airfields by Achim27619 and gary20.