These examples are images with dynamic css shadow. The shadow is automatically inserted, all these with only one class added to the image's hyperlink.
Shadow - Lifted
<a class="thumbnail has_shadow lifted" href="#">
<img>
</a>
Shadow - Curled
<a class="thumbnail has_shadow curled" href="#">
<img>
</a>
Shadow - Perspective
<a class="thumbnail has_shadow perspective" href="#">
<img>
</a>
Shadow - Raised
<a class="thumbnail has_shadow raised" href="#">
<img>
</a>
Shadow - Curved
<a class="thumbnail has_shadow curved" href="#">
<img>
</a>
Shadow - Curved Vertical
<a class="thumbnail has_shadow curved curved-vt-2" href="#">
<img>
</a>
Shadow - Curved Horizontal
<a class="thumbnail has_shadow curved curved-hz-1" href="#">
<img>
</a>