I wonder if the Poly that the texture is dynamically applied has a high specular level in it's material properties. To much specularity will wash out any texture applied to it.
Something is definitely trying to brighten the image significantly and in my case causing serious levels clipping.For instance, loading up the source in Photoshop and just slamming the brightness slider to max creates a similar result:(Image removed from quote.)
This has already been fixed for the next release, It was simply what material was on the projector poly screen. It was supposed to be 100% emissive only.HiTech