As I am sure you have been made fully aware, Proposition 8 is a very popular topic of discussion right now. This is an eternally important topic; one that should not go ignored. I feel that this is a very important issue to educate ourselves about. There is so much to learn about this important cause. Encourage everyone you know to learn about proposition 8. Support in every possible to uphold the sanctity of marriage as we know it to be.
Here are a couple of website detailing important information about this vote and what kind of implications it would mean for our country and church if this proposition is not passed:
Here is a video of young adults from California discussing their involvement in perserving traditional marriage. If nothing else -- watch this video!!!!!!
Here is a video from the Church of Jesus Christ of Latter-day Saints:
And here is an article titled "LDS Church woos Californians in Utah to back gay marriage ban"
and one more titled "Church Readies Members on Proposition 8."