@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
/*hide label (ff3)*/
#personal-bookmarks toolbarbutton[image]>label,
/*hide label (ff2)*/
#bookmarks-ptf>toolbarbutton[image]:not([image=""])>label,
/*hide default favicon (ff3)*/
#personal-bookmarks toolbarbutton:not([image])>image,
/*hide default favicon by Chad-) (ff2)*/
#bookmarks-ptf>toolbarbutton[image=""]>image
{display:none!important}


/*thanks PlastikManiac*/
#PlacesToolbarItems > toolbarbutton:not([image]):not([container]) > image
{display:none!important;}
#PlacesToolbarItems > toolbarbutton{padding-left: 3px!important;}