JSFiddle - React, Tailwind, and code Playground

HTML

<select ng-model="myCar">
    <option ng-repeat="car in cars" value="(car)">{{car}}</option>
</select>

<img ng-src="{{getCarUrl(myCar)}}">

JavaScript

$scope.cars = ['Volvo', 'Benz', 'Toyota'];

$scope.myCar = "";

var carURL = {
     Volvo: 'volvo.png',
     Benz: 'benz.png',
     Toyota: 'toyota.png'
};

$scope.getCarURL = function(brand) {
     return carURL[brand];
}