Copy this sentence into your LiveJournal if you're in a heterosexual marriage, and you don't want it "protected" by the bigots who think that gay marriage hurts it somehow.
Seriously. My choice to marry is more degraded by people who want to stop committed couples from marrying than it is by the fact that some of such couples happen to have matching genitalia. Which, some to think of it, doesn't degrade that choice at all - more than anything, it affirms it.
Oh, and here's an anti-Prop 8 video by one of my favorite former law professors.