Nice job. I'm not a VFX artist, but my one criticism on that would be the ramp around 0:52. It looks more cartoon-like than the other shots. Maybe it's just that closeups are much more difficult. Unlike iJim above, respectfully, I wasn't confused by mountains to canyon to car bridge to live-action under a car bridge (or freeway overpass), but maybe a quick shot of a tiny bridge in the beneath-us distance would be useful.
I know you're trying to establish a fictional universe, but the narration doesn't seem to add to this particular scene. I think we can wait to find out about the postbellum stuff after we care more about this character. I also didn't understand the reason for the Resident Evil-ish in-your-face close-up of the guy's gun after shooting; it didn't seem to give us important information. But that may be just a style preference on my part.
I did, however, like the Resident Evil-ish Alice-like eye that the woman had. That and the mysterious "No"-backslash-symbol "NP" graffiti on the pillars made me curious about this world. I also liked the woman's chewed-to-bleeding fingernails and the dialog "Typical"; that's excellent compact character-building.
As a Firefly fan, I'm glad to see that Leaf On's little sister Lily In is getting her own movie. Have you been able to do more with this in the last year and a half? I look forward to seeing more.