There are few social bookmarking sites where you can get paid for sharing your bookmarks.

Xomba :

You can share your links with the Xomba community using Xomblurbs social bookmarking tool. Xomba share Google Adsense revenue with its members.You must have an AdSense Id to participate in this program.

Dofollowdigg (Not available anymore):

This is a Google AdSense revenue sharing social bookmarking site.From this site you get dofollow backlinks for your website and  make money with Google AdSense revenue sharing program.

Simpy (Not available anymore) :

Simpy is a very popular social bookmarking site.They share AdSense revenue.You get 100%of your AdSense earning.

Shetoldme :

SheToldMe is somewhat similar to Digg.They have a 100% AdSense revenue sharing program.

Indianpad (Not available anymore) :

IndianPad is an Indian social bookmarking site where you can submit your stories.They share 100% of the revenue with the users.

Blogsvine :

Blogsvine is a blog posts rating website.They share AdSense revenue with the users.

InfoPirate :

Another social bookmarking site that shares revenue.80% of the AdSense revenue earned by your bookmarks are yours.

BestOfIndya :

Another Indian social bookmarking site that share revenue with its users.Stories submitted by you  have Ads on them.50% of the time your ads are displayed.The revenue earned in this period are completely yours.

Blogjoints:

BlogJoints is blog posts and article sharing and rating site of Philippine.You can submit your blog posts and articles and other members can rate them.They offer a revenue program.

Tagfoot :

They offer a 2-tier revenue sharing program.As an member you directly earn and also you can earn referring your friends.50% of the time your Ads will be displayed on the stories submitted by you.you directly earn this revenue.

And you’ll get 25% of the Ads impression on the stories submitted by your friends.

Few more Adsense Revenue Sharing Social bookmarking sites :

PlugIM (Not available anymore):

PlugIM is a site where you can promote your Internet Marketing projects.

PlugIM gives you the opportunity to earn in two ways.

As a member you submit stories.50% of the time your AdSense ID will be displayed on your profile page.

You can also earn ‘Editorial Tips’.Editorials are stories without any outgoing links.you can put PayPal donation box below your editorial.Members who find  your writing useful may donate.

Mixx:

Mixx is very popular Social Bookmarking Site.You can earn 50% of the Adsense money from your Mixx Community.

So,start earning money bookmarking this page.