wow, looking great!

here's an idea though, maybe with a material, you could add a new alpha map that fades the shadow out at the end?
maybe, write it so that the whole thing fades the further away you get from a lamp...

would be a nice contribution.

regards,

Formerly known as dennis_fantasy
Portfolio - http://www.designorhea.com/
Project - http://randomchance.cherrygames.org/