Real Environment Mod has this free floating camera fix you desire. I think I know where to find a link...
EDIT: Here you go
http://www.subsim.com/radioroom/showthread.php?t=149596
it also includes probably the best environment out there. I still use this mod. 
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Cold Waters Voice Crew - Fire Control Officer
Cmdr O. Myers - C/O USS Nautilus (SS-168)
114,000 tons sunk - 4 Spec Ops completed
V-boat Nutcase - Need supplies? Japanese garrison on a small island in the way? Just give us a call! D4C!
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