I wasn't sure whether this belongs in the technical category...
I have installed a lot of plugin lots (R, I, C) into SC Deluxe, but the standard Maxis lots seem to have a much higher probability to appear. Some of the plugins I have installed have nevver so far appeared. I Have all zoning densities for each type and cities big enough to allow for all kinds of buildings.
Gascooker lots e.g. appear relatively often, whereas SG lots are really rare. Is this a characteristic that is inscribed in the info file to the lot, or is there any way to influence this? It's not dependent on the depth of folders in the plugins folder, is it?
(Edited to remove unsightly asterisks - Astronelson)