Zend has an image viewer assistant
No no. However, it does have a TinySrc view assistant, so you can use it if you want. There are also custom image helpers, for example. Image Helper for Zend Framework
No no. And that probably never will be, because it is trivial to write helpers like this.
However, for such cases, there is Zend_View_Helper_HtmlElementone that needs to be subclassed to implement the necessary functionality for HTML tags.
No. Zend Framework does not contain this helper. But you can always write these helpers yourself. It's simple. Image helper setup example: http://blog.amnuts.com/2007/10/03/simple-image-view-helper-for-zend-framework/