Greasemonkey will style these links

by BrockA

HTML

See <a href="http://stackoverflow.com/q/34302289/331508">How can I get Greasemonkey to highlight visited image links</a> on Stack Overflow.<br><br>

CSS

body > div {
    display: inline-block;
}

JavaScript

var baseURL = "//stackapps.com/q/";
var picURL  = "//i.stack.imgur.com/VTI71.png";
var randPosts   = ["6692", "6144", "6138", "6167", "6150", "6199", "6153", "5056", "6196", ];

for (var J = randPosts.length - 1;  J >= 0;  --J) {
    var postNum = randPosts[J];

    $("body").append (
        '<div>&nbsp;' + postNum + '<br><a href="' + baseURL + postNum + '/7653"><img src="' + picURL + '"></a></div>'
    )
}