Log in blogger.
Go to the layout
Log in to edit html
Download your template first before doing the installation.
Stain expand widget
Find the code
</head> then put this script in the code </head>
<script type='text/javascript'>
var thumbnail_mode = "float" ;
summary_noimg = 250;
summary_img = 250;
img_thumb_height = 120;
img_thumb_width...