as a traditional motif
Wikipedia has a list with links to many modern representations of this motif here
Aiwaz.net Institute deals with "Analysis of the compositional principles in religious art and architecture," and has tons on proportions in math, architecture and mysticism in several cultures.
Spiderman |
 Logo from ridgenet.org |
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 http://www.robotjohnny.com/2006/07/11/vitruvian-gumby/ |
 http://www.worstpreviews.com/headline.php
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80sTees.com
Anti-TV Motifs
Guardian Angel motif