You have the option with the following commands to change how a player is rendered (or viewed).
These modes will vary from game to game therefore some may not do anything at all.
This list is taken from the Valve SDK as a guide
0 = Normal, // src 1 = TransColor, // c*a+dest*(1-a) 2 = TransTexture, // src*a+dest*(1-a) 3 = Glow, // src*a+dest -- No Z buffer checks -- Fixed size in screen space 4 = TransAlpha, // src*srca+dest*(1-srca) 5 = TransAdd, // src*a+dest 6 = Environmental, // not drawn, used for environmental effects 7 = TransAddFrameBlend, // use a fractional frame value to blend between animation frames 8 = TransAlphaAdd, // src + dest*(1-a) 9 = WorldGlow, // Same as kRenderGlow but not fixed size in screen space 10 = None, // Don't render.
These modes will vary from game to game therefore some may not do anything at all.
This list is taken from the Valve SDK as a guide
0 = FxNone, 1 = FxPulseSlow, 2 = FxPulseFast, 3 = FxPulseSlowWide, 4 = FxPulseFastWide, 5 = FxFadeSlow, 6 = FxFadeFast, 7 = FxSolidSlow, 8 = FxSolidFast, 9 = FxStrobeSlow, 10 = FxStrobeFast, 11 = FxStrobeFaster, 12 = FxFlickerSlow, 13 = FxFlickerFast, 14 = FxNoDissipation, 15 = FxDistort, // Distort/scale/translate flicker 16 = FxHologram, // kRenderFxDistort + distance fade 17 = FxExplode, // Scale up really big! 18 = FxGlowShell, // Glowing Shell 19 = FxClampMinScale, // Keep this sprite from getting very small (SPRITES only!) 20 = FxEnvRain, // for environmental rendermode, make rain 21 = FxEnvSnow, // " " " , make snow 22 = FxSpotlight, 23 = FxRagdoll, 24 = FxPulseFastWider, 25 = FxMax