Mount terrasync scenery as a file system.
terrafs -oserver=http://flightgear.sourceforge.net/scenery /path/to/my/scenery
fgfs --fg-scenery=/path/to/my/scenery
fusermount -u /path/to/my/scenery
Prerequisites You need libcurl and fuse installed along with their devel packages (header files) There is no make script (yet) but it's easy:
g++ -std=c++0x -c ../src/terrafs.cpp
g++ -o terrafs terrafs.o -lfuse -lcurl