Its obvious social bookmarking brings good traffic and reach your blog to a wider audience. I think there are more than 30 social bookmarking services, however we are limited to certain number of social bookmarking services. So here is a big list of scripts that might be helpful for you to add social sharing link on your blog or website.
Lets start with something we are quite known, you may think its unnecessary to list out, but you can use this post for your future reference. These link script are quite helpful if you are creating your own social bookmarking icons for you blog. Anyways lets get started.
http://www.facebook.com/share.php?u=<?php the_permalink(); ?>&t=<?php the_title(); ?>
http://twitter.com/home?status=<?php the_title(); ?> - <?php the_permalink(); ?>
StumbleUpon
http://www.stumbleupon.com/submit?url=<?php the_permalink(); ?>&title=<?php the_title(); ?>
Digg
http://digg.com/submit?phase=2&url=<?php the_permalink(); ?>&title=<?php the_title(); ?>&bodytext=<?php the_excerpt(); ?>
Delicious
http://delicious.com/post?url=<?php the_permalink(); ?>&title=<?php the_title(); ?>¬es=<?php the_excerpt(); ?>
FriendFeed
http://www.friendfeed.com/share?title=<?php the_title(); ?>&link=<?php the_permalink(); ?>
http://reddit.com/submit?url=<?php the_permalink(); ?>&title=<?php the_title(); ?>
Mixx
http://www.mixx.com/submit?page_url=<?php the_permalink(); ?>&title=<?php the_title(); ?>
Ping.fm
http://ping.fm/ref/?link=<?php the_permalink(); ?>&title=<?php the_title(); ?>&body=<?php the_excerpt(); ?>
Posterous
http://posterous.com/share?linkto=<?php the_permalink(); ?>&title=<?php the_title(); ?>&selection=<?php the_excerpt(); ?>
Sphinn
http://sphinn.com/index.php?c=post&m=submit&link=<?php the_permalink(); ?>
Technorati
http://technorati.com/faves?add=<?php the_permalink(); ?>
Yahoo Buzz
http://buzz.yahoo.com/submit/?submitUrl=<?php the_permalink(); ?>&submitHeadline=<?php the_title(); ?>&submitSummary=<?php the_excerpt(); ?>&submitCategory=science&submitAssetType=text
Dzone
http://www.dzone.com/links/add.html?url=<?php the_permalink(); ?>&title=<?php the_title(); ?>
MySpace
http://www.myspace.com/Modules/PostTo/Pages/?u=<?php the_permalink(); ?>&t=<?php the_title(); ?>
Netvibes
http://www.netvibes.com/share?title=<?php the_title(); ?>&url=<?php the_permalink(); ?>
Slashdot
http://slashdot.org/bookmark.pl?title=<?php the_title(); ?>&url=<?php the_permalink(); ?>
Tumblr
http://www.tumblr.com/share?v=3&u=<?php the_permalink(); ?>&t=<?php the_title(); ?>&s=<?php the_excerpt(); ?>
Newsvine
http://www.newsvine.com/_tools/seed&save?u=<?php the_permalink(); ?>&h=<?php the_title(); ?>
Linked In
http://www.linkedin.com/shareArticle?mini=true&url=<?php the_permalink(); ?>&title=<?php the_title(); ?>&summary=<?php the_excerpt(); ?>
Identi.ca
http://identi.ca/notice/new?status_textarea=<?php the_permalink(); ?>
Design Float
http://www.designfloat.com/submit.php?url=<?php the_permalink(); ?>&title=<?php the_title(); ?>
Tipd
http://tipd.com/submit.php?url=<?php the_permalink(); ?>
BlinkList
http://www.blinklist.com/index.php?Action=Blink/addblink.php&Url=<?php the_permalink(); ?>&Title=<?php the_title(); ?>
Google Bookmarks
http://www.google.com/bookmarks/mark?op=edit&bkmk=<?php the_permalink(); ?>&title=<?php the_title(); ?>&annotation=<?php the_excerpt(); ?>
Squidoo
http://www.squidoo.com/lensmaster/bookmark?" document.location.href "&title=" document.title "
Furl
http://www.furl.net/store?s=f&to=0&u=" document.location.href "&ti=" document.title "
I hope this list would be helpful and if you think I had missed any social bookmarking websites, drop in your suggestions in the comment box.