At the moment, there is no efficient way to send full albums to others. But here is how you can send a single photo to a friend:
1. Click on the 'Community' icon in the game.
View attachment 330631
2. Click on 'Messages'.
3. Go to 'New Message'.
4. Select the friend that you want to send the photo to.
5. A text box should come up allowing you to type what you want. There should also be a button that says 'attach image' or something similar.
6. Your GT6 photo album will come up where you can select the image.
7. Once you've chosen your image, hit 'Send'.