Input:
image_class - Which image alias to show, default is large
css_class - Optional css class to wrap around the <img> tag, the
class will be placed in a <div> tag.
alignment - How to align the image, use 'left', 'right' or false().
link_to_image - boolean, if true the url_alias will be fetched and
used as link.
href - Optional string, if set it will create a <a> tag
around the image with href as the link.
border_size - Size of border around image, default is 0
Always look in to design/standard/templates/content/datatype/view