And finally for today
Tv Flicker fx .. this shader is combined code on Shadertoy from differents autors , like random,crt,scanline, rgb2hsv,makebw... etc.
Here is the live demo .. play with sliders to turn B/W and flicker factor...
Added BW or Colored, flicker factor, Scanline on/off parameters.
http://gigatron3k.free.fr/html5/C2/FX/tvflicker
http://gigatron3k.free.fr/html5/C2/FX/tvflicker.rar