I'm always undecided about whether or not to fix buildings down permanently; if they're loose then they can be worked on away from the layout, as well as being easily recycled for use on other projects. On the other hand, if (as I've done) you forget that they're loose, and tip the layout on its side, all sorts of calamities can ensue! In this case I decided that I'd go with fixing the buildings down fairly solidly, partly so there's less to transport and damage, but also because of the number of wiring connections that are needed for the illumination.
These are now fixed in place, so any additional detailing will need to be done in-situ, but on the plus side I've been able to verify that the lights all still work. Eagle-eyed viewers may notice holes in the pavement which are there to allow for the addition of street lamps, which will also be illuminated.
I decided that I liked this view (below) but it was a bit cramped as it originally stood, so I opted to move all the buildings off to the right a bit to provide a nicer sightline over the girder bridge. You can see where I've had to splice in a new bit of road, in an area which was originally under the corner cafe.
There's tons more to be done in this area, but I'm already getting a bit of a buzz from parking a loco on the bridge; I can imagine it sitting there hissing away between duties, while the happy customers in La Passerelle enjoy a well-earned glass of Stella Artois, suitably oblivious to the railway action. The girders are Central Valley products I think, finally finding a home after being salvaged from Wyvant, after it was dismantled in 2007. Never throw anything away...
At the moment the layout has two lighting systems; a white LED strip to provide the main illumination, and a variable-colour strip to augment the white and provide some mood lighting when desired. The colours can be switched using a keypad, enabling the ambience to be varied from wintery early evening to the frankly psychedelic! Ideally, it'll be possible to tune the atmospherics to suit the available lighting, although in a brightly lit room, there won't be much scope for going into the more twilight moods.