Symbols

Blue string to symbolize marriage.
http://dc472.4shared.com/img/YxnC2oM5/s7/13dc816c7e8/string_1_blue.png

http://www.history.com/s3static/video-thumbnails/AETN-History_VMS/21/133/History_Invention_of_the_Lightbulb_40572_SF_HD_still_624x352.jpg
Light bulb to symbolize education.

Hand shake circle to represent our government.
http://last-tuesdays.com/images/circle-handshake.png

Sun and moon mandala to represent our religion.
(my own image)