Heh, sorry I don't think the low-res textures quite fit the character as much as they did the basic geometries of the props.
Also, I'm not sure what you meant earlier about different models. Do you mean each head will have a totally different model, instead of just changing the hair/hats and such? I find that quite suicidal if so :P Really, most heads USE head0.png as a base and just draw different hairs on it, thus you really should just change the hair and add props to the head instead.
Btw, don't take this post as negatively critical, it's some nice stuff
Even if I don't think it's REALLY that lowpoly(some certainly do qualify, but things like the fence models definitely wouldn't run in a forced low-poly environment, in my opinion, considering cylinders are pretty much the bane of lowpoly. Still, most of it I would say is certainly low-poly!