1.Login to your blogger dashboard--> layout- -> Edit HTML
2.Scroll down to where you see </head> tag .
3.Copy below code and paste it just before the </head> tag .
<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js' type='text/javascript'/> <script type='text/javascript'> $(document).ready(function(){ $(".post img").fadeTo("slow", 1.0); // This sets the opacity of the thumbs to fade down to 30% when the page loads $(".post img").hover(function(){ $(this).fadeTo("slow", 0.5); // This should set the opacity to 100% on hover },function(){ $(this).fadeTo("slow", 1.0); // This should set the opacity back to 30% on mouseout }); }); </script> <script type='text/javascript'> $(document).ready(function(){ $(".latest_img").fadeTo("slow", 1.0); // This sets the opacity of the thumbs to fade down to 30% when the page loads $(".latest_img").hover(function(){ $(this).fadeTo("slow", 0.5); // This should set the opacity to 100% on hover },function(){ $(this).fadeTo("slow", 1.0); // This should set the opacity back to 30% on mouseout }); }); </script>
4.Now save your template and you are done.