About "scaping" in tiny spaces, I have to admit that, once you hit around two gallons and less, it's hard to even conceptualize what makes a "good" scape. Maybe it's just because I'm new to this whole 'live plants' thing, but my aquascape style tends towards "tall in the back, short in the front, lots and lots of green and stuff. And maybe a rock somewhere."
I feel you there. That's exactly how I scape! I kind of do the move and muse method. How does it look here? No? Yes? I'll try over here. Hm... huh. Then after a few of these cycles, I just give up and stick it somewhere. A couple days later, 1/3 of the plants are unrooted and floating around.