I'd like to ask... are you going to be doing anything with the cloud city landing sequence? To be honest, the Falcon looks really flat there.
Also... something of an idea... cloud city is in fact, a mining city. Why not have a bit of smoke rising from the buildings (this may be a different... futuristic world, but adding a bit of smoke and maybe even some smoketacks would really emphasize the Star Wars idea of a 'used galaxy')