aMember (site.php): Add images for video within Active Resources widget

site.php

<?php

$di = Am_Di::getInstance();
if ($di->auth->getUser()
    && ($videos = $di->resourceAccessTable->getAllowedResources($di->auth->getUser(), ResourceAccess::VIDEO))
) {

    $di->view->headStyle()
        ->appendStyle("#member-main-resources li {display: block;}");

    foreach ($videos as $v) {
        if ($v->poster_id) {

            $file = $di->plugins_storage->getFile($v->poster_id);
            $img = $file->getUrl(100, false);

            $di->view->headStyle()->appendStyle(<<<CUT
#member-main-resources li#resource-link-video-{$v->pk()}-wrapper {
    background: url('{$img}') left center no-repeat;
    background-size: 50px;
    padding-left: 60px;
    min-height: 50px;
    vertical-align: middle;
}
CUT
            );
        }
    }
}