Attached Link: http://www.xdsoft.com/explorer/

Does the bench have separately named materials or groups (parts)? If it does, you can can select them in UVmapper and move them around to different sections of the template. There are alternatives to exporting from Poser to convert things to OBJ format. Try this program: http://www.xdsoft.com/explorer/ It may work better as far as materials go. -JH.