ning, and put those sprites into a <span class='object_link'><a href="" title="Zif::Layers::SimpleLayer (class)">SimpleLayer</a></span>.  Then take all of the sprites which do need to change often, or are necessary for action, and put those in <span class='object_link'><a href="ActiveLayer.html" title="Zif::Layers::ActiveLayer (class)">ActiveLayer</a></span>s.</p>

<p>You can use this or <span class='object_link'><a href="" title="Zif::Layers::SimpleLayer (class)">SimpleLayer</a></span> directly when the sp