These are 3 to 15 GB, so each might take hours to download. You don't need them all unless you plan to fly races on other servers that don't announce the scenery ahead of time.
A '*' marks the ones we use most.
You can download from this site by clicking on the links below, with good download speeds. Extract with 7-zip, and paste the folder in Condor2/Landscapes. Sometimes a downloaded folder has a structure like Nephi/Nephi/[contents]. In this example, make sure you paste only the Nephi/[contents] or Condor won't find the scenery.
Chile Pumalin Park
Europe (France) Jura Mt Blanc2
Europe (France) Provence-18
Europe Scotland 3
Europe (Spain/France) Big Pyrenees*
USA Cascade Range*
USA Southern Nevada
*Commonly used sceneries