// Add this to the onRender() of the view you want to add your file upload to
// The options passed in will override the default Plupload options 
// (http://www.plupload.com/documentation.php)
this.fileUploadView = new FileUploadView({
        el: '#upload-container',
        url: 'upload.php',
        successMessage: 'Your file uploaded successfully.'
});

this.fileUploadView.render();