Use this plugin to apply floating shares to your posts and pages.
This is very similar to the one found on mashable.com.
You can see this plugin working on the left.
Tested with WordPress 3.1.3 and above.
You can find the plugin on the wordpress site, http://wordpress.org/extend/plugins/share-rail/
Share Rail is now on GitHub, fork us on Git http://bloafer.github.com/Share-Rail/.
Whilst searching the internet we found a fairly good tutorial on youtube about our plugin here it is: