Like Twalentine? How about buying the team a beer, or simply share the love...
It’s completely anonymous and free. And sometimes a little bit creepy.
It just does. Not happy with this answer?
With twalentine you can anonymously write a short message to anyone you like. After your message is reviewed and approved, @YourTwalentine will tweet it to the person of your choice.
Note that it may take up to 12 hours before your message gets delivered.
Now get creative and make sure that you brighten up someone's day!