Hi, Liveries have to be chosen here. Have you tried that? It works fine for me, with X-plane 11.0r1 :
About airports, on the following website, you have a global overview of what you should see in X-plane as default :
The database is getting richer and richer everyday, as you can see here :
Indeed, many airports have no 3D buildings, a not very accurate location, but thanks to many freewares, some of which are developped by Laminar Research, it is possible for any user to model his favourite airport and upload it on the scenery gateway, so that it becomes part of the default install.
I am myself a "subscribed artist" and am currently working on LFRS.
You also have a huge choice of customized airports here (among other websites):
They need to be manually installed.