Download the file, go to TG2. Select the "file" menu and choose "insert clip file".
That should work. The rings will be positioned around the default planet.
Then click the "Objects" tab (next to the 3D and Terrain tabs), select 'Lower Pop Rock' and click "populate". Do the same for 'Upper Pop Rock'.
Takes a while to create all the rocks, but it looks good. Its actually a thick ring.
If you need flat rings, just delete the 'Lower Pop Rock' or 'Upper Pop Rock' node and delete the node inside the 'Thick Ring Displacement' box.
Then it will look like this:
[attachimg=1]
