No luck upgraded to 6.8.6 and the label still returns null.
 while ((image=RemoveFirstImageFromList(&images)) != (Image *) NULL)
 {
 const char* label = GetImageProperty(image,"label"); // WHY NULL?????????
 resize_image=ResizeImage(image,dstWidth,dstHeight,LanczosFilter,1.0,exception);
 if (resize ...