Here you can find Tutorials to different themes and programms, more tutorials are coming up in the future.
The beloved plasma-streams or lightnings...
The interesting nebula for space images...
Some hot thing...
Fog & Mist
Tutorial for fog & mist, the working of and the use of it.
Glow & Fire
Tutorial for the glow effect, the working of and the use of it.
Tutorial for the ray effect, the working of and the use of it.
Tips & Tricks
Tips to Terragen and Images.
big list of tutorials about all themes around terragen, like Surface, Effects, Terrains, Clouds etc., with Links...