Google+ Styled UI Buttons, Icon Buttons & Dropdown Menu Buttons
… an easy to implement framework of Google+ styled buttons, icon buttons & dropdown menu buttons
Plastique Icons Full Set
is a set of 434 (and growing) web and application icons inspired by advertising clip art of the 1920′s and 1930′s. The set is available in vector format and also includes a CSS/PNG sprite version. → GPL Licensed Version (download) : http://iconify.it/?file_id=9