I'm making a game which involves the player walking around a forest, and so I need to randomly distribute trees from the sapling tree generator all over it. The plane is huge so I can't simply place them manually. It would also be ideal to change the seed of the tree for each tree created. I'm familiar with python so a script would be acceptable. Thanks!
Another way to do it is with particles. The particle system would duplicate a specific tree object and distribute it. There is a button in the modifiers tab (if a particle system is present for the object) that makes all the particles into individual oobjects. I won't provide specific step by step instructions on how to set up the particle system, but I hope that works. However, on most cases Python script would be preferable for what you want. You'll probably to distribute multiple tree models to provide variations, and you'd need a Python script for that.
EDIT: well now I see the comments under the question. This is probably useless. XD
I'd recommend the Asset Sketcher commercial addon on CG Cookie Market. Perhaps you can modify it to randomize the Sapling seed value.