Duke Lebowski

For geometry, I think people generally lay deformed patches above the brushwork; http://wiki.thedarkmod.com/index.php?title=DrVertexBlend_(tutorial) uses models to enable texture blending, but http://forums.thedarkmod.com/topic/14394-apples-and-peaches-obsttortes-mapping-and-scripting-thread/page-14#entry394935 might limit the need for that.

SEED can place grass models, etc. or you could look at http://forums.thedarkmod.com/topic/12985-animated-grass-test-map/ (I believe moving gra...

[Oops, it seems I hit a character limit] ..ss was cut from The Siege Shop in a revision because it caused slowdown, but maybe LOD is improved since then...?)