JSFiddle - React, Tailwind, and code Playground

HTML

<input type="radio" name="selectPicture" value="http://i170.photobucket.com/albums/u277/AmandaisAwesomeQUACK/monkey.gif"/>
<input type="radio" name="selectPicture" value="http://freesmileyface.net/smiley/animals/monkey-crush2.gif" checked/>

<img id="image" src="http://freesmileyface.net/smiley/animals/monkey-crush2.gif" alt="image selected by radio buttons"/>

JavaScript

$(document).ready(function(){
    $('input[name=selectPicture]').click(function(){
        $('#image').attr('src', $('input[name=selectPicture]:checked').val());
    });
});