03/30/2012 05:22 pm ET Updated Mar 31, 2012

Mega Millions: Where Would You Give If You Won? (TWITTER SLIDESHOW)

Some are dreaming of buying yachts and private islands. But the big benevolent dreamers, those who want to change the world with the Mega Millions winnings, have their eyes on a completely different prize.

Whether it's finding a cure for breast cancer or feeding the hungry, do-gooder gamblers have a wish to help the needy with the $640-million prize. And, as they nab up their tickets, they're also taking to Twitter to share what they would do #IfIHitTheMegaMillions.

Check out our slideshow of inspirational lotto players and suggestions on how you can spend your jackpot if you take home the grand prize.