Below are a few links for your convenience. file includes a few different options.
Please remember to make a backup copy of your “crosshairs.spr” file in case you dont like these ones.
crosshairs.spr goes under “Yourdrive:\Program Files (x86)\Steam\SteamApps\common\Half-Life\valve\sprites” directory
Models folder contents go under “Yourdrive:\Program Files (x86)\Steam\SteamApps\common\Half-Life\valve\models” directory

HootersGaming Downloads


Models (aka skins)

Kanitarium HalfLife HD Megapack

 Half-Life Download

Counter Strike Download