Override the login page images in Episerver

OverrideLoginImages.cs

[InitializableModule]
[ModuleDependency(typeof(EPiServer.Web.InitializationModule))]
public class OverrideLoginImages : IInitializableModule
{
    public void Initialize(InitializationEngine context)
    {
        var host = ServiceLocator.Current.GetInstance<IHostingEnvironment>();
        if (host == null) return;

        var mappedProvider = new VirtualPathMappedProvider("OverrideLoginImages", new NameValueCollection());
        mappedProvider.PathMappings.Add("/Util/images/login/Pictures_Page_1-min.jpg", "/PathToImages/AwesomeImage1.jpg");
        mappedProvider.PathMappings.Add("/Util/images/login/Pictures_Page_2-min.jpg", "/PathToImages/AwesomeImage2.jpg");
        mappedProvider.PathMappings.Add("/Util/images/login/Pictures_Page_3-min.jpg", "/PathToImages/AwesomeImage3.jpg");
        host.RegisterVirtualPathProvider(mappedProvider);
    }

    public void Uninitialize(InitializationEngine context) { }
}