See StampAndShout.com for a witty collection.
This is witty – “Coexist”
The crescent and star for Islam;
the pentagram for Wicca;
the relativity formula for science;
the star of David for Judaism;
the kharma wheel dotting the i for Buddhism;
the Tao symbol for Taoism;
the cross for Chrisitianity.
stampandshout.com