If you want to turn heads on a public jailbreak server or fly through a surf_ map, the script in this article is your golden ticket. But if you want to genuinely get good at CS 1.6 movement, use the cfg to learn the rhythm , then turn it off and practice the scroll wheel.
// Bind a key to toggle the script (F11) bind "F11" "bhop_toggle" cs 1.6 bunny cfg
// Default state is OFF bhop_off
alias bhop_check "bhop_go"