use the load object command to load the object, then you can move and scale it to what you want with the standard object commands (see the help file), then when you have it where you want it then just lock it to the screen, eg
load object "models\guns\bfg9k",1
position object 1,halfway_across_the_view,just_under_the_camera,just_in_front
rotate object left 1,angle_that_makes_it_face_away_from_me
lock object on 1
that should help, cheers.
Mentor.
PC1: P4 hyperthreading 3ghz, 1gig mem, 2x160gig hd`s, ATI radeon 9800 pro gfx, 6 way surround sound, PC2: AMD 1.2ghz, 512mb ram, FX5200 ultra gfx, stereo 16 bit soundblaster, ups.