Setting your profile picture avatar
Avatars (or "Profile pictures") in Tuple are set using a service called Gravatar.
If you're not familiar, configuring your Gravatar (for free) lets any service retrieve that avatar knowing only your email address.
Setting an avatar makes it easier for your colleagues to find you, so we recommend taking the time to do it.
As a bonus, services you sign up for in the future can pull in your avatar automatically, saving you steps later.
Why not do it right now?
Note: You will need to create the Gravatar account with the same email address as your Tuple account in order for Tuple to be able to sync the image.