It took a while but over the holidays I finally had some time to work on skyboxes again, so here's an update:
TarisSometimes called "Coruscant of the Outer Rim", Taris was an ecumenopolis unfortunately located away from newly discovered trade routes. Still, the upper class housed in skyscrapers far above the surface, while the lower levels of the city became more and more dangerous.
And then there's Telos (again):
Telos (Polar Regions)Hidden in the polar mountains of war ravaged Telos, lies a secret Jedi academy.
Yes, that really is an unspectacular render, but at least it fits the season
And finally, here are some ingame screenshots of these two planets: