code: public final static ImgRenderer getImgRenderer(JawrConfig config,
  			boolean isPlainImg) {
  		ImgRenderer renderer = (ImgRenderer) ClassLoaderResourceUtils
  				.buildObjectInstance(config.getImgRendererClass());
  		renderer.init(isPlainImg);
  		return renderer;
  	}
docs: Returns the image renderer
  
  @param config
  the Jawr config
  @param isPlainImg
  the flag indicating if it a plain image to render or not
  @return the image renderer