Yup, I'm starting a BAT thread

Long story short, the BAT bug bit again this past week, and this time actually resulted in something that (I think) is half decent, so I figured that's as good a time as any to start getting some feedback on these things.
Presenting,
MatriX Energies:

That it happens to resemble a somewhat spiky battery as well isn't entirely accidental. I'm still fussing with the scale a bit, but the image above is 21 floors, including penthouse, and just ever so slightly too big for a 5x5 lot - in meters it's roughly 80 wide by 180 high. Any thoughts on the proportions? I'll probably put it on a 6x6 lot and fluff it out with some corporate patio filler, but maybe this weekend I'll get a chance to test it in game and make sure the scale is alright before getting to much further along. Obviously there's no textures yet, or doors for that matter - it's far from a finished product. Let me know what you think.
On to some questions that have been floating around my head, and perhaps you all have some answers to:
- Is it possible to save preview render images? What you see above is a screen capture of the render, but I feel like I've seen much larger render pictures of buildings that aren't necessarily bigger than this one on here. Any other tips on presenting BATs-in-progress?
- How do you all do roof junk? (Apologies to the MEP industry for that term by the way, we really do appreciate all you do.) Do you each model your own roof junk? Is there a library out there somewhere you can snag these models from? I've never really given it much thought before, everybody seems to just magically have some to put on their buildings. I know you can get pretty detailed info from manufacturers, and I guess model a bunch of pieces using that, but it'd be easier if there's just a collection of it somewhere to pick from.
Please, let me know what you think, any tips or suggestions would be appreciated.
