Forum adverts like this one are shown to any user who is not logged in. Join us by filling out a tiny 3 field form and you will get your own, free, dakka user account which gives a good range of benefits to you: No adverts like this in the forums anymore. Times and dates in your local timezone. Full tracking of what you have read so you can skip to your first unread post, easily see what has changed since you last logged in, and easily see what is new at a glance. Email notifications for threads you want to watch closely. Being a part of the oldest wargaming community on the net. If you are already a member then feel free to login now.

Where does GW get the ludicrously sized terrain for their photos?

They make it from their own kits.

It's handy when you walk across the hall and take as many sprues as you need...

Lots and lots of terrain kits. They would run you into the multihundreds if not thousands to make. They look awesome, though.