It is good to shoot some more photos with different exposure if you haven’t a digicam or only 24 bit rgb images. we haven’t so much time befor the demo party so we have taken only one photo with a canon powershot g2 in raw modus, converted the picture to a 16 bit (48 bit) tiff. This way provide the possibility to tweak the levels without losing any detail. It is important to measure the position of the scene and the camera, you will need this later for the cg scene. It is also usefull to take some shots from the real model to get a feeling for the lighting on the surface. ...