Here is the simplest way how do you costumize your NetworkedBlogs widget.
<iframe frameborder="0" marginheight="0" marginwidth="0" height="100%" src="http://nwidget.networkedblogs.com/getnetworkwidgetmain?bid=192714&fancount=30" id="networkedblogs_nwidget_iframe" scrolling="auto" width="100%"></iframe>
<center>
<div id="networkedblogs_nwidget_follow" style="padding: 5px;"><a style="border-style: solid; border-color: rgb(217, 223, 234) rgb(14, 31, 91) rgb(14, 31, 91) rgb(217, 223, 234); border-width: 1px; margin: 0px auto; padding: 4px 8px; display: block; line-height: 100%; width: 90px; text-align: center; background-color: rgb(59, 89, 152); color: rgb(255, 255, 255); font-family: 'lucida grande',tahoma,verdana,arial,sans-serif; font-size: 11px; text-decoration: none;" href="http://networkedblogs.com/blog/vektanova/?ahash=7d2a2404cff4e0dc08214829397e462d">Follow this blog from Facebook</a></div></center>
Change
192714 to be your NetworkedBlogs account.
Change
30 to the number of followers that you wish to show.
Change
vektanova to be your Blog name that you've entered in NetworkedBlogs.