To get a fiberglass body you could do what the velomobile guys do on recumbent bikes.
They wrap the body in mesh, mold it into shape, paper mache, then lay down the glass.
http://forum.atomiczombie.com/showthread.php/6923-New-Velomobile?highlight=velomobile
Its an interesting read.
Offtopic: I worked at Home Depot many moons ago and actually hand someone ask if we carried elbow grease. Had to explain to him a few times before he caught on.