Edit the Latest tweets :
Find this code

<div id='twitter'> <div id='twitter-inside'>
<div id='twitter_div'><h2 style='display: none;'>Twitter Updates</h2><ul id='twitter_update_list' style=' list-style-type: none;'/><a href='http://twitter.com/bloggerspan' id='twitter-link' style='display:block;text-align:right;'>follow me on Twitter</a></div><script src='http://twitter.com/javascripts/blogger.js' type='text/javascript'/><script src='http://twitter.com/statuses/user_timeline/bloggerspan.json?callback=twitterCallback2&amp;count=1' type='text/javascript'></script> </div>
</div>

Replace 'bloggerspan' with your twitter id.

Edit Feed burner subscription :
Find this code
http://feedburner.google.com/fb/a/mailverify?uri=bloggerspan
and
http://feeds2.feedburner.com/bloggerspan
Replace 'bloggerspan' with your Feedburner id .

Edit Social bookmarking links :
Find this code

<div class='share-list'> <ul><li><a href='http://YOUR-FEED-BURNER-URL.COM' target='_blank'>Subscribe</a></li><li><a href='http://digg.com/users/YOUR USERNAME' target='_blank'>Digg</a></li><li><a href='http://www.facebook.com/people/YOUR NAME' target='_blank'>Facebook</a></li><li><a href='http://YOUR NAME.stumbleupon.com'>Stumble It!</a></li></ul> </div>
<div class='share-list2'> <ul> <li><a href='http://technorati.com/faves?add=http://YOUR-BLOG.BLOGSPOT.COM/'>Technorati</a></li><li><a href='http://twitter.com/YOUR NAME' target='_blank'>Twitter</a></li> </ul> </div>

and replace your id's accordingly.

Featured content slide show :
Find this code

<div id='myGallery'> <!-- First Picture Start --> <div class='imageElement'> <h3>ENDGAM3: Blueprint for Global Enslavement</h3> <p/> <a class='open' href='http://bloggerspan.blogspot.com'/>
<img alt='Marley And Me' class='full' src='http://demo.camelgraph.com/silverline/wp-content/uploads/a1.jpg'/> </div> <!-- First Picture End --> <!-- Second Picture Start --> <div class='imageElement'> <h3>New World Order&#039; Emerging At G-20 Summit</h3> <p/> <a class='open' href='http://bloggerspan.blogspot.com' title='Read more'/>
<img alt='Crank:High Voltage' class='full' src='http://demo.camelgraph.com/silverline/wp-content/uploads/a3.jpg'/> </div> <!-- Second Picture End--> <!-- Third Picture Start --> <div class='imageElement'> <h3>Fall of the Republic</h3> <p/> <a class='open' href='http://bloggerspan.blogspot.com' title='Read more'/>
<img alt='WATCHMEN - The Movie' class='full' src='http://demo.camelgraph.com/silverline/wp-content/uploads/a2.jpg'/> </div> <!-- Third Picture End--> <!-- Fourth Picture Start --> <div class='imageElement'> <h3>Illuminati : They All Around Us</h3> <p/> <a class='open' href='http://bloggerspan.blogspot.com' title='Read more'/>
<img alt='Bedtime Stories' class='full' src='http://demo.camelgraph.com/silverline/wp-content/uploads/a4.jpg'/> </div> <!-- Fourth Picture End --> </div>

Replace these links with your images and links .
Source - bloggerspan.blogspot.com