not really a script but i just use it to make my game look cooler
alias xhairblu "cl_crosshair_red 0; cl_crosshair_green 255; cl_crosshair_blue 255"
alias xhairgreen "cl_crosshair_red 0; cl_crosshair_green 0; cl_crosshair_blue 255"
alias xhairblack "cl_crosshair_red 255; cl_crosshair_green 255; cl_crosshair_blue 0"
alias xhairwhite "cl_crosshair_red 255; cl_crosshair_green 0; cl_crosshair_blue 255"
alias +w "+forward; xhairblu"
alias +a "+moveleft; xhairblack"
alias +s "+back; xhairgreen"
alias +d "+moveright; xhairwhite"
alias -w "-forward;xhairblu"
alias -a "-moveleft;xhairblu"
alias -s "-back;xhairblu"
alias -d "-moveright;xhairblu"
bind w +w
bind a +a
bind s +s
bind d +d
changes the color of your crosshair when you press wasd