s example we set up a series of graphics with an image effects material. Each one has a
        different effect applied to it:</p>
        <ul>
          <li>Tint - Applies a colour tint to the texture, like looking through coloured glass.</li>
          <li>Alpha - Changes the transparency of the texture.</li>
          <li>Saturation - Changes the saturation of the texture, from full colour to greyscale.</li>
          <li>Overlay - Applies a colour overlay to the texture, where the texture has a solid c