1. Select your door objects, then go to the create libraries, pick a category and use the add option. 2. I'm not a Mac user, but I heard you can set the amount of ram an app uses with that OS. For Win I have only a few apps that let you set the amount of ram used, Bryce is not one of them. Bryce will utilize all your ram if you build a big enough scene file. 3. To use volume materials on planes, create a volume plane. On the Create palette click and hold down on one of the plane tools, a surface or volume option menu will pop up. 4. Does the picture load into the editor, and did you use the check to exit the editor? If it does and you did, then it could be because of the mapping mode, or how the texture window has been translated ( texture scaling, moving or rotating ) top left button on the texture window. Or at the bottom of the mapping modes see if Scale Pict Size is enabled, if it is disable it.

Stephen Ray