This Sunday, Sep 19th is the PokerGives Charity Poker Tournament on Full Tilt Poker.
You may use this thread to pledge a portion of any winnings to the charity.
In addition, if you'd like to donate money in addition to the entry fee (or in place of playing) here is how:
Option 1: Transfer Money To Andy Bloch On Full Tilt
Just send your contribution directly to Andy Blochs Full Tilt Poker account (username: Andy Bloch) Then post in this thread the amount you donated and he'll make sure it gets to PokerGives!

Option 2: Mail Your Donation
If you'd like to donate directly to these charities, make your check payable to Nevada Community Foundation, Poker Gives Fund and mail to:
1635 Village Center Circle, Suite 160
Las Vegas, NV 89134