This is one very cool application. If you are looking for a way to generate the source code for social bookmarking, here are some of the free online tools that I have found.
http://www.ifeedreaders.com/social-creator/
This tool allows you to create social bookmarking code for web pages or blogs. It will even create chicklets too and has a WordPress Plug as well. Select from 47 different services and then create your source code with one click. Just later this morning I will install this on my own blog.
Here is another one that I like and that I have implemented on my main website on every web page http://www.mccordweb.com. This one is a link that opens up and allows you to subscribe to bookmark or RSS news feed centers. It is done with a small snippet of JavaScript embedded in the source code of your page.
Check out these easy to use online social bookmark generators and enjoy!