Howdy.
Here's a tutorial for creating a tiling skybox with Terragen. The code at the end is aimed at Blitz3D, but the actual creation of the sky can be applied to RF (just texture the skybox with the images).
http://blitzstuff.awardspace.biz/phpBB2 ... c.php?t=38
I didn't create it by the way.
Creating Skyboxes with Terragen
Creating Skyboxes with Terragen
Game Dev Resources
http://blitzstuff.awardspace.biz/phpBB2/ - WIP
http://blitzstuff.awardspace.biz/phpBB2/ - WIP