mask-box-imag

http://www.html5rocks.com/en/tutorials/masking/adobe/

HTML

<img src="http://www.html5rocks.com/en/tutorials/masking/adobe/humayun-thom-arno.jpg" />

CSS

img {
    -webkit-mask-box-image: url(http://www.html5rocks.com/en/tutorials/masking/adobe/stampTiles.svg) 35 repeat;
    mask-box-image: url(http://www.html5rocks.com/en/tutorials/masking/adobe/stampTiles.svg) 35 repeat;
}