<!-- Example of using Timthumb with the new srcset attribute -->
<img
src="path/to/timthumb.php?src=path/to/img.jpg&height=150&width=150"
srcset="path/to/timthumb.php?src=path/to/img.jpg&height=300&width=300 2x"
alt="My image"
height="150"
width="150">