玩黑帽SEO手头怎能没有大把的外链床，PR低了不爽，Nofollow也不爽，试试下面这些网站：
Connotea.org
Slashdot.org
Reddit.com
Tumblr.com
Dzone.com
Squidoo.com
Mister-wong.com
Folkd.com
Bibsonomy.org
Furl.net
Google.com/Bookmarks
Propeller.com
Digg.com
Hugg.com
Searchallinone.com
Searchles.com
Corank.com
Linkagogo.com
Blinkbits.com
Myjeeves.ask.com
Indianpad.com
Bringr.com
Mylinkvault.com
Connectedy.com
Jumptags.com
Shoutwire.com
Millionsofgames.com
Blogmemes.net
Myvmarks.com
A1-webmarks.com
Plugim.com
Blogmarks.net
Bmaccess.net
Socialogs.com

当然如果你很懒但懂E文，也愿意投点小钱在Social Bookmark Promotion上，可以考虑用一款黑帽SEO的软件——Bookmarkingdemon，考虑到它提供的强大功能，147美金的费用性价比还是挺划算的。

摘取部分特点如下：
Create Accounts Automatically At 100 Social Bookmarking Sites
Random Login Name During Account Creation
Store Multiple Accounts At Each Social Bookmarking Sites
Better Account Management With Active and Archived Accounts
Add Your Own List of Scuttle, ScuttlePlus and Pligg Social Bookmarking Sites
Bookmark Your URLs Automatically
Title, Tags and Description Randomization
Camouflage With RSS Feeds
Faster Bookmarking With MultiThreading And Random Timing
Proxy Servers