Hola amigos blogueros, hoy les vengo a traer un pack de iconos sociales con efecto hover, este gadget es muy bueno, ya que es otra forma de que otros usuarios se suscriban a tus redes sociales.
Vista Previa:

Para añadirlo nos vamos a Diseño → Añadir Gadget → HTML/Javasprit y pegamos lo siguiente
<style type="text/css">ul#social {position: fixed;margin: 0px;padding: 0px;top: 10px;left: 0px;list-style: none;z-index:9999;}ul#social li {width: 100px;}ul#social li a {display: block;margin-left: -2px;width: 100px;height: 70px;background-color:#fff;background-repeat:no-repeat;background-position:center center;border:1px solid #AFAFAF;-moz-border-radius:0px 10px 10px 0px;-webkit-border-bottom-right-radius: 10px;-webkit-border-top-right-radius: 10px;-khtml-border-bottom-right-radius: 10px;-khtml-border-top-right-radius: 10px;-moz-box-shadow: 0px 4px 3px #000;-webkit-box-shadow: 0px 4px 3px #000;}ul#social .twitter a{background:#0F96C6 url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKtgH84Xgf4QaQwA4wm_liJ6ufDV3jyKn5Jf5nZ5nYpIGQukhcuBEIb3LA3HXfgJDhK1LjWN6b13hLVXrfhkn_lYmSzh7C0-prtTuley_i2o5bd8XjIURboX-9l8RUxqG2kcojGQYf3oY/s1600/Twitter.png)no-repeat;background-position:center center;}ul#social .googleplus a {background:#D73D27 url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJQlPkSsKXIf3Ozl-pxFiIyQIdWOynS-XY-SNbzMnIzMtlGwRCz8Jfyp0UmSPTMqXIoCsZYL78ugL_GRwG_dDRjyjeRAwLVNHsdzeGIQr2mR20Gjrod4vH72kQFkKxMLo-ayy4b1sbr-4/s1600/GOOGLE+PLus.png)no-repeat;background-position:center center;}ul#social .facebook a {background:#1A4B97 url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhbjOqJTpHkBFjibB3SD-Cn8zbDrbjlEWqTSEuCqG7ndYRaIF1Z4qawMYDKdmxp6vr9F1ZZ8gowjzzZ1slul4NJuliN-oUjzOpebfYPu1ANHBVklNnammbzeBMLEluzmmrJWAr817MaEZw/s1600/Facebook.png)no-repeat;background-position:center center;}ul#social .rss a {background:#FAAE17 url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXOBIDeG1uYfblzw2OUMvb0-X4Kp58zt9O_oL4xH-VC3zbqHCt7KXfrmnA4nb1FU3R4RQ0fA8ZrZpgwJR5YDP4To2sjiMWaG6CjT3EgkWzxGjjTFfLvNTlmIy3vkqvDtEkqjjNiYkU3EE/s1600/rss.png)no-repeat;background-position:center center;}</style><script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script><script type='text/javascript'>$(function () {$('#social a').stop().animate({'marginLeft': '-85px'}, 1000);$('#social > li').hover(function () {$('a', $(this)).stop().animate({'marginLeft': '-2px'}, 200);},function () {$('a', $(this)).stop().animate({'marginLeft': '-85px'}, 200);});});</script><ul id='social'><li class='twitter'><a href='#' title='Twitter'></a></li><li class='googleplus'><a href='#' title='Google Plus'></a></li><li class='facebook'><a href='#' title='Facebook'></a></li><li class='rss'><a href='#' title='Rss'></a></li></ul>
Cambiar el # por el link que corresponde en cada caso.