Create a new driver and name them:

 allthebuttons          All cars available
 greatnews              All tracks accessible
 minime                 Mini Cooper S Car
 turnontheice           Background music
 oohnice                Better handling
 morrismode             ESCORT MK1
 shinybuttons           Shining cars
 gofasterstripes        Faster cars
 curryforme             Turbo boost
 nuttynets              Aggressive cars
 bouncybouncybouncy     Fire balls
 wheelybig              Monster truck tires
 boingboingboing        Bouncer mode
 waveyourlefts          Drive tracks from end to beginning
 eatthis                ?
 garywildass            Ford Puma
 evilevo                Lancer Road

 To change the Car silhouette type at the cheat options screen:

 HELLO RAZU AND FLEA

 Only in some versions work

 Killtime               Key [H] = Kalaschnikow on the car roof
 Superman               Super speed