Facebook today announced Say Thanks, an experimental service for sending personalized video cards to your friends.

There are a number of different themes to choose from, though it doesn’t sound like customization will extent far beyond choosing that and what photos appear.

“Millions of people use Facebook every day to connect with the people and things that matter to them most,” Cameron Ewing, a Facebook design manager, and Nick Kwiatek, an engineering manager, said in a blog post. “Your friends are at the core of your Facebook experience, and we are always looking for new ways to help you celebrate those friendships.”

To create a video, Facebook says to head to Facebook.com/thanks