One of the best concept artists in the movie industry is a Mopar E Body fan, Beck's Kustoms

http://ebodies.blogspot.com/ which has about 90-100 variation on the Barracuda, which seem to be a side effect of his buying a 72 or 73 Barracuda and making it a project that he's covering on his other blog http://beckkustoms.blogspot.com/