JSFiddle - React, Tailwind, and code Playground

HTML

<img class="picasa" src="http://lh5.ggpht.com/-i97UI0TXchE/UatpZd-E3tI/AAAAAAAAAFg/HUu-QK63ce0/w900-h0/running-sml.jpg" />

<img class="picasa" src="https://lh6.googleusercontent.com/-K9iPS06o5bw/Uq7jNYKy15I/AAAAAAAAIug/UWhrxercsOw/w900-h0/106645303.jpg" />

<img class="picasa" src="https://lh4.googleusercontent.com/-x4uLQc_Wswo/Uq6u-jFf5hI/AAAAAAAA9lo/GcEJr1QcN-M/w900-h0/Bblv7fbCQAA-NBy.jpg" />

JavaScript

imageWidth = $(window).width();
$(".picasa").each(function() {
    $(this).attr("src", $(this).attr('src').replace('w900-h0', 'w'+imageWidth+'-h0'));
});