For one linked image per post, override that link with a permalink when on the main page
My solution was to work in the twentyten theme folder, the file “loop.php” Around line 145 I did this: <?php $content = get_the_content( __( ‘Continue reading <span class=”meta-nav”>→</span>’, ‘twentyten’ ) ); // http://stackoverflow.com/a/6366390/1195835 // http://stackoverflow.com/a/11886237/1195835 // http://stackoverflow.com/a/15469353/1195835 $doc = new DOMDocument(); $doc->loadHTML($content); $finder = new DomXPath($doc); $classname = “post-main-image”; $nodes = $finder->query(“//*[contains(concat(‘ ‘, normalize-space(@class), ‘ … Read more