Okay, here is Bridgeport from above at day:
And the same shot at night:
I like both. I think the the slabs are a better looking block, but I think cobble looks better in this situation because it blends in better with the green grass, and because there are already a lot of smoothstone slabs in Bridgeport. I guess I just feel like cobblestone is more suited for a walkway.
I tried to change the texture pack to make the cobble brick-like, like this:
... but when I tried to change the texture pack it didn't work in Minecraft
Is there a special trick to it?