Hide other answers while answering a question - http://meta.stackoverflow.com/questions/190136/
resources:
blue flag @ 48x48: http://www.iconarchive.com/show/pretty-office-8-icons-by-custom-icon-design/Flag-blue-icon.html
red "no" @ 32x32: http://www.iconarchive.com/show/free-3d-glossy-interface-icons-by-aha-soft/no-icon.html