Re: How do you use an .mdl file to make something into scenery?
IF it's an FS-X mdl (i.e. the mdl file was created with the FS-X SDK tools), then you can create the xml placement file so that, with the mdl file you can use bglcomp.exe (that comes with the SDK) to create the bgl file in the location of your choice.

Simple, eh?

Simple, eh?