Instructions
Navigate to "Participant List" at the bottom of the Text Chat room using the directional pad on your PS3 controller. Press "X."
Scroll down to the person you want to send the file to and press "X." Choose "Create Message" and press "X."
Highlight the paper clip icon at the bottom of the screen and press "X."
Scroll through the images you have on your PS3. Press "Square" to group the images by month, year or album.
Press "X" to attach the image. Highlight "Send" and press "X" to send the attached file to your friend.
Press "Circle" to return to the Text Chat screen.