To obtain a wide variety of various objects, including aircraft, buildings, vehicles, people, animals, etc, many not listed in the Default Object List in the Flight Sim, I use "Instant Scenery III" to place all the selected objects in the scenery.
Select object, rotate, size, and place object....

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http://www.flight1.com/products.asp?product=iscen3Paul....

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Win 8.1 64-bit. DX11. Advent Tower. Intel i7-3770 3.9 GHz 8-core. 8 GB System RAM. AMD Radeon HD 7700 1GB RAM. DVD ROM. 2 Terra Byte SATA Hard Drive. Philips 17" LCD Monitor. Saitek Cyborg X Fly-5 Joystick. ...and a Briggs and Stratton Petrol Lawn Mower.