Hmmmmmmm... I got.....
Error: Out of memory. Try closing down other applications, increasing your
virtual memory size, or installing more physical RAM.
File:I:\FSO\fs2_open\code\GlobalIncs\WinDebug.cpp
Line: 1492
Call stack:
------------------------------------------------------------------
kernel32.dll 77e814c7()
------------------------------------------------------------------
I have 768Mb of Mem and another 256Meg on the Graphics card.

Edit : Sorry, I was still using a dodgy ships.tbl.
Works fine, one quick question, would it be feasible to do this with the thruster glows instead? I think they are more noticeable than the nebulae?