Keep it in private matches, don't be a jerk, and you'll have hundreds of extra hours of fun.
While many players use raw console commands, several community-created scripts offer a graphical user interface (GUI): Slykuiper/IW6X-Movie-Mod - GitHub Iw6x Mod Menu-
is a community-driven, third-party client for Call of Duty: Ghosts Keep it in private matches, don't be a