There are seriously talented authors and artist offering their works in exchange of donations to those organizations sending their help to Japan. Some offers include Gundam Wing, but there are also lots of other series that might interest you. So whatever is your fandom, it's a great opportunity to help the victims affected by the ongoing tragedy in Japan and also receive something invaluable in return for your good deeds!
If checking each thread for something you are interested on seems an impossible task, you can simply check their Delicious account, in which everything is really well organized.
All our prayers are with the affected, so now it's the time for action! Please go to help_japan and bid for a good cause!! Every penny matters!!