searching for a treemass creation script

[v.robbesom]

Hello all. 
For some time I am looking for a peculiar script..I am not a programmer so I cannot really build (especially) this one myself.. believe me I would have tried if  could.

I am working fast paced on 3D environments for simulator applications mostly for marine purposes.
I am looking for a script that lets me paint simple mass (based on metaballs for instance) and applies a side and top texture to my likings. This way I could created a forest look without placing hundreds of billboard trees.

I could imagen that with one tileable forest-side texture (some stems in the darkeness going to green at the top) and a top tree texture (rainforest texture) and a bobbly, low polygon 3D mass could do the trick perfectly.. but sofar I have never encountered one...

What do you think??

[denisT.MaxDoctor]

It would be helpful if you showed a few pictures that, in your opinion, most accurately reflect what you need, and how it might look in the end.

[v.robbesom]

I hope this clarifies my intention. As for now I am placing crossed billboards but this does not cover large areas adequately and brings down processor performance which is essential for realtime performance...
Thank you for thinking with me!

[v.robbesom]

Any Ideas from these visuals?

grtz,

Vince