I suppose you've got http://www.kurtz-fernhout.com/PlantStudio/ but here it is again. http://www.bantam3d.com/ where you have Grass and Scatter. First is a grass-creating programlet, and Scatter clones objects and creates groups. http://www.imagos.fl.net.au/ is Breeze Designer. Free ... modeller? Intended to work with POV-Ray, but I think you can import that format into Bryce. http://www.tb-software.com/products.html is where you have 3D Win, a 3D format converter. Shareware with some limitations. http://www.gimp.org/download.html Free Photoshop-alike program

-- erlik