I am a "late middle ager" but enjoy FS like I am a kid.

Although I have had computers for a long long time and have been using FS since FS98 I have only just in the last 6 weeks or so started adding scenery to FS2004.
I have found Airport for Windows fairly easy to use. Once you get past the "how does this workspace relate to the scenery" thing it all stats to fall into place. As a matter of fact I don't even use a background bitmap of the area. I find once I place the first object I "relate " to it's symbol on the workspace.
Here is what I use.
-Airport for Windows 3.0 build 188.
-TCalc for nailing the Lat & Long with amazing accuracy!
-The latest BGLCOMP.EXE from Microsoft.
-All the freeware scenery API's I can find.

Pointerboat, when you find or make a house that looks like yours and generate a BGL file to place in FS9 AFW will also generate an Exclude file which does just what it sounds like....it will "exclude" the built in FS9 scenery so your house will show.
Don't get me wrong...Airport for Windows cost me some of the little hair I have on my head! :) But as they say at some point "the coin dropped" and it started falling into place.
GMax....I did the tutorial....designed a couple of VERY simple objects but the learning curve looks like a 1000' cliff. :'( I do "see the light" though as the tutorials built in are very good.
Now....let me say this...all the effort you put in to learning Airport for Windows (or any other scenery adding software) will be useless when FS2006 comes out as MS is moving to XML scenery 100% I hear.
But we are in luck. The people who write AFW have started a version called SceneGenX which uses the same graphic interface as Airport for Windows. GMax will be the scenery drawer of choice as it's output can be crunched by another program to generate FS9 object numbers.
LIke I said, I was just about to delete Airport for Windows and admit to myself this was all "over my head" when I managed to place my 1st object. I place a wood wharf just offshore on a Pacific island. I jumped around this room giving High 5's to nobody but me!!! ;D
If you find a freeware house that looks alot like yours placing it really isn't that tough. Using Gmax to build the house is going to test your patience to the ....Max. ;D
FaxCap