Here are few new sets of  social bookmarking icons for your Blog/Website. Try this its excellent.
1. Gummy social icon set :-

2. Free Social Media Icon Set :-

3. Cloudy Social Media Icons :-

4. Free AJI 3D social media icon set :-

5. Free 3D social media icon set II :-

6. Free 3D social icon set III :-

7. Free social Icon Pack :-
8. Free Icons for digg lover :-

9. 8 Free Kiss Social Bookmark icons :-

10. Decorative Seasonal RSS Icon Pack :-

11. Spider social icons Pack :-

12. Grunge Peeling Stickers Social Media Icons :-

13. Drink Web 2.0 Icons:-

14. RSS Icons :-

15. Curly Vector Social Icons :-

16. Paper Rss icons:-