For the next couple weeks, you can pay what you want for the third Humble Indie Bundle with a desired portion going to charity. This time around the games are:

And Yet It Moves
Cogs
Crayon Physics Deluxe
Hammerfight
VVVVVV




...And to support an unrelated, much less impressive charity, you could click this clearly labeled, self-serving Altitude referral link to help me get skins so I stop flying into walls while thinking I'm one of my teammates. ;)