Do you mean Poser 4 Image like a bmp or jpg? Images can be brought into Bryce throgh the Picture Editor. Or do you mean a Poser PZ3 file? legally your suppost to have poser to work with anything created in it. But there is a program which might be able to convert a PZ3 into and obj. Do a search in the Poser free stuff for * Compose *. But most likely you will end up with a obj in the poser default pose. Unless they posed it to.

Stephen Ray