Compiling The first scenery designers were based on real handwork. Most scenery design products also use those compilers on the background to convert the text file to scenery format. So, if you start making scenery, go to the following section . If you are experienced designer, you may try to do the 'handwork' using a compiler. They are very useful to learn the structure of scenery files.
Designers There are basicly only a few real graphical designers available.
Airport 2.10 and SCbuild. Some of them are based on DOS routines and some of them are more sophisticated. There are a few great utilities to make 3D objects. You can also convert your FS98 planes into static scenery objects. There are some neat tools to create your own dynamic scenery, you can even make dynamic scenery only on existing airports.