The ERA guarantees the legal access for women to have equal pay and benefits. This great video explains a lot (and has a bangin' soundtrack... I downloaded "I wish I was a Punk Rocker" by Sandi Thom after watching)
I'm not so sure about the bra-tossing thing (it's a little cliché for my tastes), but I do agree with the guerrilla media tactics.
Learn how YOU can join the cause (and possibly fling your bras) at Lopezistas!