I keep on getting errors when I try to edit a page on the Wiki, so the following is stuff that 
should replace the mish-mash in the SCP Command Line Options page, hopefully formatted correctly for a Wiki table. 

[q]
Name |
  Type |
  Possible Data |
  Information
CmdLineOptions |
  REG_SZ
ComputerSpeed |
  REG_DWORD |
  1 - 4 |
  See the Video Tab, General Settings.
ConnectionSpeed |
  REG_SZ |
  None,Slower,56K,ISDN,Cable,Faster |
  Connection Speed, see the Network Tab.
CurrentJoystick |
  REG_DWORD |
  0 - infinity? |
  Input controller #ID.
D3D8_AAType |
  REG_DWORD |
  0 - 3 |
  DX8 specific. AntiAliasing.
  
  0(OFF) = 3DMULTISAMPLE_NONE
  
  1 = D3DMULTISAMPLE_2_SAMPLE
  
  2 = D3DMULTISAMPLE_3_SAMPLE
  
  3 = D3DMULTISAMPLE_4_SAMPLE
  
  See Video Tab, AntiAliasing.
D3D8_Adapter |
  REG_DWORD |
  0 - infinity? |
  DX8 specific. Graphic Card #ID.
  
  See Video Tab, Adapter.
  
  See Video Tab, Resolution.
D3DFast |
  REG_DWORD |
  0 or 1 |
  Fast Direct3D Textures(lower quality).
  
  0 = OFF, 1 = ON.
D3DTextureOrigin |
  REG_DWORD |
  0 or 1 |
  If Fonts look bad on Geforce this should be 1.
  
  0 = OFF, 1 = ON.
D3DUseLargeTextures |
  REG_DWORD |
  0 or 1 |
  0 = 256 max texture size, anything else is maximum card
  limit.
Detect D3D |
  REG_DWORD |
  0 or 1 |
  If original Setup should detect D3D. 0 = OFF, 1 = ON.
Detect Glide |
  REG_DWORD |
  0 or 1 |
  If original Setup should detect Glide. 0 = OFF, 1 = ON.
DisableZbias |
  REG_DWORD |
  0 or 1 |
  Diasble D3D Zbuffer bias. 0 = NO, 1 = YES.
EnableHitEffect |
  REG_DWORD |
  0 or 1 |
  Force Feedback Hit. Joystick shakes when hit.
  
  0 = OFF, 1 = ON.
  
  See Audio/Joystick Tab, Joystick.
EnableJoystickFF |
  REG_DWORD |
  0 or 1 |
  Enable Force Feedback.
  
  0 = OFF, 1 = ON.
  
  See Audio/Joystick Tab, Joystick.
EregCount |
  REG_DWORD |
  0 - 3 |
  The number of times the original launcher has been started.
  
  Set to 3 to make it stop bugging about registration.
ForcePort |
  REG_DWORD |
  0 |
  Force SCP to use spcific local port. 0 = OFF.
  
  See Network Tab, Misc.
ForceWFOG |
  REG_DWORD |
  0
Gamma |
  Reg_SZ |
  0 - inifity? |
  Gamma setting, changes brightness.
Interlaced Movies |
  REG_DWORD |
  0 |
  Make movies interlaced. 0 = OFF, 1 = ON.
LastPlayer |
  REG_SZ |
  * |
  The last select pilot in the rooster.
LauncherSoundEnabled |
  REG_DWORD |
  0 or 1 |
  Original Launcher Sounds Effects. 0 = OFF, 1 = ON.
Moive Fast Clear |
  REG_DWORD |
  0 or 1 |
  Clear fast after movice cutscenes 0 = OFF, 1 = ON.
NetworkConnection |
  REG_SZ |
  None,Dialup,LAN |
  Internet Connection Type.
  
  See Network Tab, Internet Connection.
PXOBanners |
  REG_DWORD |
  0 or 1 |
  Display PXO Banner. o = OFF, 1 = ON.
SkipVerify |
  REG_DWORD |
  0 or 1 |
  Will not verify version when joining multiplayer games.
  
  0 = OFF, 1 = ON.
SoundCard |
  REG_SZ |
  None,DirectSound,EAX,* |
  Seleced sound driver. See Audio/Joystick, Sound.
StraightToSetup |
  REG_DWORD |
  0 or 1 |
  If this is "0" the original launcher will go directly to
  the Setup.
  
  0 = OFF, 1 = ON.
VideoCard |
  REG_SZ |
  * |
  See original launcher setup, Video.
VideoCardFS2open |
  REG_SZ |
  * |
  See original launcher setup, Video.
[/q]