Yes , you are right about everything having to be a basic entity. So the way you have lots of objects attached to a dummy probably wont work as Vinhs objects do. However, if you were to export all the objects you wanted to move separately from max, imported them as basic entities then add anything you don't want to move as brushes the flowgraph should work. It should automatically cycle through any basic entity it finds in the level. A bit tedious, but an option, depending on how many objects there are.